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	<link:roleType roleURI="http://CIK0001862068/role/LossPerShare" id="LossPerShare">
	  <link:definition>00000059 - Disclosure - Loss per share</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/FairValueMeasurements" id="FairValueMeasurements">
	  <link:definition>00000060 - Disclosure - Fair value measurements</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/Liquidity" id="Liquidity">
	  <link:definition>00000063 - Disclosure - Liquidity</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
	  <link:definition>00000065 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesPolicies" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesPolicies">
	  <link:definition>00000066 - Disclosure - Nature of operations and summary of significant accounting policies (Policies)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/SummaryOfSignificantAccountingPoliciesTables" id="SummaryOfSignificantAccountingPoliciesTables">
	  <link:definition>00000067 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/ClassOrdinarySharesSubjectToPossibleRedemptioTables" id="ClassOrdinarySharesSubjectToPossibleRedemptioTables">
	  <link:definition>00000068 - Disclosure - Class A Ordinary Shares Subject to Possible Redemptio (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/ClassOrdinarySharesSubjectToPossibleRedemptionTables" id="ClassOrdinarySharesSubjectToPossibleRedemptionTables">
	  <link:definition>00000069 - Disclosure - CLASS A ORDINARY SHARES SUBJECT TO POSSIBLE REDEMPTION (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesTables" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesTables">
	  <link:definition>00000070 - Disclosure - Nature of operations and summary of significant accounting policies (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/PropertyAndEquipmentTables" id="PropertyAndEquipmentTables">
	  <link:definition>00000071 - Disclosure - Property and equipment (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtTables" id="DebtTables">
	  <link:definition>00000072 - Disclosure - Debt (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/AccruedExpensesTables" id="AccruedExpensesTables">
	  <link:definition>00000073 - Disclosure - Accrued expenses (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/GoodwillAndOtherIntangiblesTables" id="GoodwillAndOtherIntangiblesTables">
	  <link:definition>00000074 - Disclosure - Goodwill and other intangibles (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LeasesTables" id="LeasesTables">
	  <link:definition>00000075 - Disclosure - Leases (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/MembersEquityDeficitTables" id="MembersEquityDeficitTables">
	  <link:definition>00000076 - Disclosure - Members&#8217; equity (deficit) (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/WarrantTables" id="WarrantTables">
	  <link:definition>00000077 - Disclosure - Warrant (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanTables" id="EquityIncentivePlanTables">
	  <link:definition>00000078 - Disclosure - Equity incentive plan (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NetLossPerCommonUnitTables" id="NetLossPerCommonUnitTables">
	  <link:definition>00000079 - Disclosure - Net loss per common unit (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/IncomeTaxesTables" id="IncomeTaxesTables">
	  <link:definition>00000080 - Disclosure - Income taxes (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/StockholdersDeficitEquityTables" id="StockholdersDeficitEquityTables">
	  <link:definition>00000081 - Disclosure - Stockholders&#8217; (deficit) equity (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/Equity-basedCompensationTables" id="Equity-basedCompensationTables">
	  <link:definition>00000082 - Disclosure - Equity-based compensation (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LossPerShareTables" id="LossPerShareTables">
	  <link:definition>00000083 - Disclosure - Loss per share (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
	  <link:definition>00000084 - Disclosure - Fair value measurements (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/CommitmentsAndContingenciesTables" id="CommitmentsAndContingenciesTables">
	  <link:definition>00000085 - Disclosure - Commitments and contingencies (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DescriptionOfOrganizationAndBusinessOperationsDetailsNarrative" id="DescriptionOfOrganizationAndBusinessOperationsDetailsNarrative">
	  <link:definition>00000086 - Disclosure - DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/SummaryOfSignificantAccountingPoliciesDetails" id="SummaryOfSignificantAccountingPoliciesDetails">
	  <link:definition>00000087 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" id="SummaryOfSignificantAccountingPoliciesDetailsNarrative">
	  <link:definition>00000088 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/InitialPublicOfferingDetailsNarrative" id="InitialPublicOfferingDetailsNarrative">
	  <link:definition>00000089 - Disclosure - INITIAL PUBLIC OFFERING (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/PrivatePlacementDetailsNarrative" id="PrivatePlacementDetailsNarrative">
	  <link:definition>00000090 - Disclosure - PRIVATE PLACEMENT (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
	  <link:definition>00000091 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
	  <link:definition>00000092 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/WarrantsDetailsNarrative" id="WarrantsDetailsNarrative">
	  <link:definition>00000093 - Disclosure - WARRANTS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/ClassOrdinarySharesSubjectToPossibleRedemptionDetails" id="ClassOrdinarySharesSubjectToPossibleRedemptionDetails">
	  <link:definition>00000094 - Disclosure - Class A Ordinary Shares Subject to Possible Redemption (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/StockholdersDeficitDetailsNarrative" id="StockholdersDeficitDetailsNarrative">
	  <link:definition>00000095 - Disclosure - STOCKHOLDERS&#8217; DEFICIT (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/RelatedPartyTransactionDetailsNarrative" id="RelatedPartyTransactionDetailsNarrative">
	  <link:definition>00000096 - Disclosure - RELATED PARTY TRANSACTION (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
	  <link:definition>00000097 - Disclosure - SUBSEQUENT EVENTS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-contractAssets" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-contractAssets">
	  <link:definition>00000098 - Disclosure - Nature of operations and summary of significant accounting policies (Details-Contract assets)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-accruedHaulerExpenses" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-accruedHaulerExpenses">
	  <link:definition>00000099 - Disclosure - Nature of operations and summary of significant accounting policies (Details-Accrued hauler expenses)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-liveUsedForDepreciation" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetails-liveUsedForDepreciation">
	  <link:definition>00000100 - Disclosure - Nature of operations and summary of significant accounting policies (Details-Live used for depreciation)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetailsNarrative" id="NatureOfOperationsAndSummaryOfSignificantAccountingPoliciesDetailsNarrative">
	  <link:definition>00000101 - Disclosure - Nature of operations and summary of significant accounting policies (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/PropertyAndEquipmentDetails" id="PropertyAndEquipmentDetails">
	  <link:definition>00000102 - Disclosure - Property and Equipment (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/PropertyAndEquipmentDetailsNarrative" id="PropertyAndEquipmentDetailsNarrative">
	  <link:definition>00000103 - Disclosure - Property and equipment (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtDetails-componentsOfDebt" id="DebtDetails-componentsOfDebt">
	  <link:definition>00000104 - Disclosure - Debt (Details-Components of debt)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtDetails-longTermDebt" id="DebtDetails-longTermDebt">
	  <link:definition>00000105 - Disclosure - Debt (Details-Long Term Debt)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtDetailsNarrative" id="DebtDetailsNarrative">
	  <link:definition>00000106 - Disclosure - Debt (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/AccruedExpensesDetails" id="AccruedExpensesDetails">
	  <link:definition>00000107 - Disclosure - Accrued expenses (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/GoodwillAndOtherIntangiblesDetails-intangibleAssets" id="GoodwillAndOtherIntangiblesDetails-intangibleAssets">
	  <link:definition>00000108 - Disclosure - Goodwill and other intangibles (Details-Intangible assets)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/GoodwillAndOtherIntangiblesDetails-futureAmortizationExpense" id="GoodwillAndOtherIntangiblesDetails-futureAmortizationExpense">
	  <link:definition>00000109 - Disclosure - Goodwill and other intangibles (Details-Future Amortization Expense)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/GoodwillAndOtherIntangiblesDetails-notDeductibleForTaxPurposes" id="GoodwillAndOtherIntangiblesDetails-notDeductibleForTaxPurposes">
	  <link:definition>00000110 - Disclosure - Goodwill and other intangibles (Details-Not deductible for tax purposes)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/GoodwillAndOtherIntangiblesDetailsNarrative" id="GoodwillAndOtherIntangiblesDetailsNarrative">
	  <link:definition>00000111 - Disclosure - Goodwill and other intangibles (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LeasesDetails" id="LeasesDetails">
	  <link:definition>00000112 - Disclosure - Leases (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LeasesDetails1" id="LeasesDetails1">
	  <link:definition>00000113 - Disclosure - Leases (Details 1)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LeasesDetails2" id="LeasesDetails2">
	  <link:definition>00000114 - Disclosure - Leases (Details 2)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LeasesDetailsNarrative" id="LeasesDetailsNarrative">
	  <link:definition>00000115 - Disclosure - Leases (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/MembersEquityDeficitDetails" id="MembersEquityDeficitDetails">
	  <link:definition>00000116 - Disclosure - Members' equity (deficit) (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/MembersEquityDeficitDetailsNarrative" id="MembersEquityDeficitDetailsNarrative">
	  <link:definition>00000117 - Disclosure - Members&#8217; equity (deficit) (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/WarrantsDetails" id="WarrantsDetails">
	  <link:definition>00000118 - Disclosure - Warrants (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/WarrantDetailsNarrative" id="WarrantDetailsNarrative">
	  <link:definition>00000119 - Disclosure - Warrant (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanDetails-fairValueOfIncentiveGrants" id="EquityIncentivePlanDetails-fairValueOfIncentiveGrants">
	  <link:definition>00000120 - Disclosure - Equity incentive plan (Details-Fair Value Of Incentive Grants)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanDetails-IncentivesUnitActivity" id="EquityIncentivePlanDetails-IncentivesUnitActivity">
	  <link:definition>00000121 - Disclosure - Equity incentive plan (Details - Incentives Unit Activity)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanDetails-nonvestedIncentiveUnits" id="EquityIncentivePlanDetails-nonvestedIncentiveUnits">
	  <link:definition>00000122 - Disclosure - Equity incentive plan (Details-Nonvested Incentive Units)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanDetailsNarrative" id="EquityIncentivePlanDetailsNarrative">
	  <link:definition>00000123 - Disclosure - Equity incentive plan (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EmployeeBenefitsPlanDetailsNarrative" id="EmployeeBenefitsPlanDetailsNarrative">
	  <link:definition>00000124 - Disclosure - Employee benefits plan (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/NetLossPerCommonUnitDetails-basicAndDilutedNetLossPerCommonUnit" id="NetLossPerCommonUnitDetails-basicAndDilutedNetLossPerCommonUnit">
	  <link:definition>00000125 - Disclosure - Net loss per common unit (Details-Basic and diluted net loss per common unit)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/IncomeTaxesDetails-deferredTaxAssets" id="IncomeTaxesDetails-deferredTaxAssets">
	  <link:definition>00000126 - Disclosure - Income taxes (Details-Deferred Tax Assets)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/IncomeTaxesDetails-provisionForIncomeTaxes" id="IncomeTaxesDetails-provisionForIncomeTaxes">
	  <link:definition>00000127 - Disclosure - Income taxes (Details-Provision for income taxes)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/IncomeTaxesDetails-federalStatutoryRateAndEffectiveIncomeTaxRate" id="IncomeTaxesDetails-federalStatutoryRateAndEffectiveIncomeTaxRate">
	  <link:definition>00000128 - Disclosure - Income taxes (Details-Federal statutory rate and the effective income tax rate)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
	  <link:definition>00000129 - Disclosure - Income taxes (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/CommitmentsAndContingencieDetailsNarrative" id="CommitmentsAndContingencieDetailsNarrative">
	  <link:definition>00000130 - Disclosure - Commitments and contingencie (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/RelatedPartyTransactioDetailsNarrative" id="RelatedPartyTransactioDetailsNarrative">
	  <link:definition>00000131 - Disclosure - Related party transactio (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/ConcentrationsDetailsNarrative" id="ConcentrationsDetailsNarrative">
	  <link:definition>00000132 - Disclosure - Concentrations (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LiquidityAndPendingMergersDetailsNarrative" id="LiquidityAndPendingMergersDetailsNarrative">
	  <link:definition>00000133 - Disclosure - Liquidity and pending mergers (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtDetails-componentsOfLong-termDebt" id="DebtDetails-componentsOfLong-termDebt">
	  <link:definition>00000134 - Disclosure - Debt (Details-Components of long-term debt)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/DebtDetails-maturitiesOfLong-termDebt" id="DebtDetails-maturitiesOfLong-termDebt">
	  <link:definition>00000135 - Disclosure - Debt (Details-Maturities of long-term debt)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/MergersDetailsNarrative" id="MergersDetailsNarrative">
	  <link:definition>00000136 - Disclosure - Mergers (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/StockholdersDeficitEquityDetails" id="StockholdersDeficitEquityDetails">
	  <link:definition>00000137 - Disclosure - Stockholders' (deficit) equity (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityInvestmentAgreementDetailsNarrative" id="EquityInvestmentAgreementDetailsNarrative">
	  <link:definition>00000139 - Disclosure - Equity Investment Agreement (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/ForwardPurchaseAgreementDetailsNarrative" id="ForwardPurchaseAgreementDetailsNarrative">
	  <link:definition>00000140 - Disclosure - Forward Purchase Agreement (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/StandbyEquityPurchaseAgreementDetailsNarrative" id="StandbyEquityPurchaseAgreementDetailsNarrative">
	  <link:definition>00000141 - Disclosure - Standby Equity Purchase Agreement (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/EquityIncentivePlanDetails-RsusActivity" id="EquityIncentivePlanDetails-RsusActivity">
	  <link:definition>00000142 - Disclosure - Equity incentive plan (Details- RSUs Activity)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/Equity-basedCompensationDetailsNarrative" id="Equity-basedCompensationDetailsNarrative">
	  <link:definition>00000143 - Disclosure - Equity-based compensation (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LossPerShareDetails" id="LossPerShareDetails">
	  <link:definition>00000144 - Disclosure - Loss per share (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
	  <link:definition>00000145 - Disclosure - Fair value measurements (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/CommitmentsAndContingencieDetails" id="CommitmentsAndContingencieDetails">
	  <link:definition>00000146 - Disclosure - Commitments and contingencie (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://CIK0001862068/role/LiquidityDetailsNarrative" id="LiquidityDetailsNarrative">
	  <link:definition>00000148 - Disclosure - Liquidity (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="founu-20220930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="founu-20220930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="founu-20220930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="founu-20220930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" />
    <import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd" />
    <import namespace="http://fasb.org/us-gaap-sup/2022q3" schemaLocation="https://xbrl.fasb.org/us-gaap/2022q3/us-gaap-sup-2022q3.xsd" />
    <import namespace="http://fasb.org/srt-sup/2022q3" schemaLocation="https://xbrl.fasb.org/srt/2022q3/srt-sup-2022q3.xsd" />
    <import namespace="http://fasb.org/us-types/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd" />
    <import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd" />
    <import namespace="http://fasb.org/srt-types/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd" />
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    <element id="FOUNU_ClassACommonStockMember" name="ClassACommonStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ClassBCommonStockMember" name="ClassBCommonStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TotalMember" name="TotalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ClassAOrdinarySharesMember" name="ClassAOrdinarySharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PrivatePlacementWarrantsMember" name="PrivatePlacementWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_SponsorMember" name="SponsorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_SubscriptionAgreementsMember" name="SubscriptionAgreementsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PublicWarrantsMember" name="PublicWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ClassBOrdinarySharesMember" name="ClassBOrdinarySharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ForwardPurchaseAgreementMember" name="ForwardPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_MergerAgreementMember" name="MergerAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_CommonClassVMember" name="CommonClassVMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_CustomerEquipmentMember" name="CustomerEquipmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TermLoanFacilityMember" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PaycheckProtectionProgramLoanMember" name="PaycheckProtectionProgramLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_LongTermDebtsMember" name="LongTermDebtsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_DomainNameMember" name="DomainNameMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_InvestorsMember" name="InvestorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TwoCustomerMember" name="TwoCustomerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TwoCustomersMember" name="TwoCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_CommonStockClassAMember" name="CommonStockClassAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_CommonStockClassVMember" name="CommonStockClassVMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_FounderClassASharesMember" name="FounderClassASharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_FounderClassBSharesMember" name="FounderClassBSharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_FounderWarrantsMember" name="FounderWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PIPEInvestorsMember" name="PIPEInvestorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ClassBUnitsMember" name="ClassBUnitsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_CommonStockClassBMember" name="CommonStockClassBMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_RubiconMember" name="RubiconMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PrivateWarrantsMember" name="PrivateWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TermLoanWarrantsMember" name="TermLoanWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_YorkvilleMember" name="YorkvilleMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TwoThousandTwentyTwoPlanMember" name="TwoThousandTwentyTwoPlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_MorrisEmploymentAgreemenMember" name="MorrisEmploymentAgreemenMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_MergerConsummationMember" name="MergerConsummationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PhantomUnitExchangesMember" name="PhantomUnitExchangesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_MorrisEmploymentAgreementMember" name="MorrisEmploymentAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ManagementRolloverConsiderationMember" name="ManagementRolloverConsiderationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_EarnOutClassASharesMember" name="EarnOutClassASharesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_VestedRSUsMember" name="VestedRSUsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_VestedDSUsMember" name="VestedDSUsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_ForwardPurchaseOptionDerivativeMember" name="ForwardPurchaseOptionDerivativeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_EarnOutLiabilityMember" name="EarnOutLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_WarrantLiabilityMember" name="WarrantLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_DeferredCompensationPhantomUnitsMember" name="DeferredCompensationPhantomUnitsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_YorkvilleInvestorMember" name="YorkvilleInvestorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
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    <element id="FOUNU_RelcassifiedToEquity" name="RelcassifiedToEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_IncreaseDecreaseInUnbilledReceivablesValue" name="IncreaseDecreaseInUnbilledReceivablesValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_BorrowAmount" name="BorrowAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_NumberOfSharesSalesAmount" name="NumberOfSharesSalesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_PrincipalAmount" name="PrincipalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_UnpaidFees" name="UnpaidFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_NumberOfSharesAmount" name="NumberOfSharesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_OtherAccruedLiabilityCurrentAndNoncurrent" name="OtherAccruedLiabilityCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_FinancingCommitment" name="FinancingCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_IssuanceOfEquity" name="IssuanceOfEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_TermLoanAgreementDescription" name="TermLoanAgreementDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="FOUNU_SubordinatedTermLoanAgreementDescription" name="SubordinatedTermLoanAgreementDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
</schema>
