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      <link:linkbaseRef xlink:type="simple" xlink:href="tcbs-20260630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="tcbs-20260630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="tcbs-20260630_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, all" />
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="https://xbrl.org/2023/calculation-1.1" schemaLocation="https://www.xbrl.org/2023/calculation-1.1.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/ecd-sub/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-sub-2025.xsd" />
  <xsd:element id="tcbs_ServiceChargesOnDepositAccounts" name="ServiceChargesOnDepositAccounts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_OtherServiceChargesAndFees" name="OtherServiceChargesAndFees" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_ImpairedLoansMember" name="ImpairedLoansMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_ImpairedLoansFairValueDisclosure" name="ImpairedLoansFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="tcbs_AssetMeasurementInput" name="AssetMeasurementInput" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="tcbs_InterestBearingDepositsInBanksFairValueDisclosure" name="InterestBearingDepositsInBanksFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tcbs_NetInvestmentInDirectFinancingLeasesFairValueDisclosure" name="NetInvestmentInDirectFinancingLeasesFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="tcbs_InterestReceivableFairValueDisclosure" name="InterestReceivableFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="tcbs_InterestPayableFairValueDisclosure" name="InterestPayableFairValueDisclosure" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_OccupancyAndEquipmentExpense" name="OccupancyAndEquipmentExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tcbs_AdvancesFromFederalHomeLoanBank" name="AdvancesFromFederalHomeLoanBank" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="tcbs_AgriculturalPortfolioSegmentMember" name="AgriculturalPortfolioSegmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_AgriculturalLoansMember" name="AgriculturalLoansMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_OtherLoansMember" name="OtherLoansMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_FarmlandLoanMember" name="FarmlandLoanMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_DepreciationAndAmortizationExcludingAmortizationOfSecurities" name="DepreciationAndAmortizationExcludingAmortizationOfSecurities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tcbs_InterimFinancialStatementsPolicyTextBlock" name="InterimFinancialStatementsPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="tcbs_InterestPaidOnDeposits" name="InterestPaidOnDeposits" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_InterestPaidOnFederalHomeLoanBankAdvances" name="InterestPaidOnFederalHomeLoanBankAdvances" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_OtherInterestPaid" name="OtherInterestPaid" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_OneToFourResidentialAndMultiFamilyMember" name="OneToFourResidentialAndMultiFamilyMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_OffBalanceSheetActivitiesAbstract" name="OffBalanceSheetActivitiesAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_OffBalanceSheetActivitiesDisclosureTextBlock" name="OffBalanceSheetActivitiesDisclosureTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="tcbs_FederalReserveBankOfBostonMember" name="FederalReserveBankOfBostonMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_LineOfCreditFacilityFees" name="LineOfCreditFacilityFees" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tcbs_CommitmentsToPurchaseSecuritiesAmount" name="CommitmentsToPurchaseSecuritiesAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="tcbs_LoansAndLeasesReceivableCommitments" name="LoansAndLeasesReceivableCommitments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="tcbs_UnearnedEsopSharesMember" name="UnearnedEsopSharesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="tcbs_StockEarnedDuringPeriodValueEmployeeStockOwnershipPlan" name="StockEarnedDuringPeriodValueEmployeeStockOwnershipPlan" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="tcbs_EmployeeStockOwnershipPlanEsopSharesPercentage" name="EmployeeStockOwnershipPlanEsopSharesPercentage" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="tcbs_EmployeeStockOwnershipPlanEsopDebtTerm" name="EmployeeStockOwnershipPlanEsopDebtTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="tcbs_WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanUnearnedShares" name="WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanUnearnedShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element name="EmployeeStockOwnershipPlanTextBlock" id="tcbs_EmployeeStockOwnershipPlanTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="InvestmentIncomeDividendStock" id="tcbs_InvestmentIncomeDividendStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtSecuritiesHeldToMaturityNumberOfSecurities" id="tcbs_DebtSecuritiesHeldToMaturityNumberOfSecurities" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfBondRatingsOfHeldToMaturitySecuritiesTableTextBlock" id="tcbs_ScheduleOfBondRatingsOfHeldToMaturitySecuritiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance" id="tcbs_FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherCollateralMember" id="tcbs_OtherCollateralMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfCollateralDependentImpairedFinancingReceivablesTableTextBlock" id="tcbs_ScheduleOfCollateralDependentImpairedFinancingReceivablesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossExcludingDirectFinancingLeases" id="tcbs_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossExcludingDirectFinancingLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TechnologyExpense" id="tcbs_TechnologyExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncomeFromDerivativeInstruments" id="tcbs_IncomeFromDerivativeInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="VestedStockOptionMember" id="tcbs_VestedStockOptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NonRestrictedStockAwardsMember" id="tcbs_NonRestrictedStockAwardsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AvailableForSaleDebtSecuritiesAmortizedCostSoldSecurities" id="tcbs_AvailableForSaleDebtSecuritiesAmortizedCostSoldSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairedLoansRecordedInvestment" id="tcbs_ImpairedLoansRecordedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedLoansRelatedAllowance" id="tcbs_ImpairedLoansRelatedAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairedFinancingReceivableInterestIncomeRecognized" id="tcbs_ImpairedFinancingReceivableInterestIncomeRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue" id="tcbs_HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" id="tcbs_HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" id="tcbs_HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" id="tcbs_HeldToMaturityDebtSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FinancingReceivableModificationsNumberOfContracts1" id="tcbs_FinancingReceivableModificationsNumberOfContracts1" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DirectFinancingLeaseNetInvestmentInLeasePeriodIncreaseDecrease" id="tcbs_DirectFinancingLeaseNetInvestmentInLeasePeriodIncreaseDecrease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoanOriginationsToFacilitateSaleOfOtherRealEstateOwned" id="tcbs_LoanOriginationsToFacilitateSaleOfOtherRealEstateOwned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OtherRealEstateFairValueDisclosure" id="tcbs_OtherRealEstateFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LoanOriginationsAndPrincipalCollectionsNet" id="tcbs_LoanOriginationsAndPrincipalCollectionsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MunicipalitiesPortfolioSegmentMember" id="tcbs_MunicipalitiesPortfolioSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MunicipalitiesLoanMember" id="tcbs_MunicipalitiesLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EmployeeStockOwnershipPlanEsopNumberOfSharesDistributedToTerminatedParticipants" id="tcbs_EmployeeStockOwnershipPlanEsopNumberOfSharesDistributedToTerminatedParticipants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="GainOnSaleOtherRealEstateOwned" id="tcbs_GainOnSaleOtherRealEstateOwned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FairValueAdjustmentToOtherRealEstateOwned" id="tcbs_FairValueAdjustmentToOtherRealEstateOwned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GainLossOnOtherInvestments" id="tcbs_GainLossOnOtherInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
</xsd:schema>
