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    <element id="LARK_AvailableforSaleInvestmentSecuritiesAllowanceForCreditLossPolicyTextBlock" name="AvailableforSaleInvestmentSecuritiesAllowanceForCreditLossPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ScheduleOfAvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" name="ScheduleOfAvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_ScheduleOfAllowanceForCreditLossesRelatedToUnfundedLoanCommitmentsTableTextBlock" name="ScheduleOfAllowanceForCreditLossesRelatedToUnfundedLoanCommitmentsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ScheduleofAmortizationCostTableTextBlock" name="ScheduleofAmortizationCostTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ScheduleofFiniteLivedIntangibleAssetsFutureAmortiztionExpenseTableTextBlock" name="ScheduleofFiniteLivedIntangibleAssetsFutureAmortiztionExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ScheduleOfRevenueFromContractsWithCustomersWithinNoninterestIncomeTableTextBlock" name="ScheduleOfRevenueFromContractsWithCustomersWithinNoninterestIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_ScheduleOfGainsAndLossesFromChangesInFairValueOfLoansHeldForSaleTableTextBlock" name="ScheduleOfGainsAndLossesFromChangesInFairValueOfLoansHeldForSaleTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_IncreaseDecreaseInDeferredTaxAssets" name="IncreaseDecreaseInDeferredTaxAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_IncreaseDecreaseInRetainedEarningsAccumulatedDeficit" name="IncreaseDecreaseInRetainedEarningsAccumulatedDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsFairValue" name="DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" name="DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_AvailableForSaleOfSecuritiesContinuousUnrealizedLossPositionFairValue" name="AvailableForSaleOfSecuritiesContinuousUnrealizedLossPositionFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions" name="OtherDebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions" nillable="true" xbrli:periodType="instant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsFairValue" name="OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months" name="OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" name="OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger" name="OtherDebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherAvailableForSaleOfSecuritiesContinuousUnrealizedLossPositionFairValue" name="OtherAvailableForSaleOfSecuritiesContinuousUnrealizedLossPositionFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_OtherDebtSecuritiesAvailableForSaleUnrealizedLossPosition" name="OtherDebtSecuritiesAvailableForSaleUnrealizedLossPosition" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ImpactOfAdoptingAsc326" name="ImpactOfAdoptingAsc326" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_SecurityOwnedAndPledgedAsCollateralFairValues" name="SecurityOwnedAndPledgedAsCollateralFairValues" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_LoansAndLeasesReceivableNetDeferredLoanFeesAndLoansInProcess" name="LoansAndLeasesReceivableNetDeferredLoanFeesAndLoansInProcess" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_LoansAndLeasesReceivableAllowanceOne" name="LoansAndLeasesReceivableAllowanceOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FinancingReceivableAllowanceForCreditLossesImpact" name="FinancingReceivableAllowanceForCreditLossesImpact" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FinancingReceivableOriginatedInCurrentFiscalYearNonclassified" name="FinancingReceivableOriginatedInCurrentFiscalYearNonclassified" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FinancingReceivableOriginatedInCurrentFiscalYearClassified" name="FinancingReceivableOriginatedInCurrentFiscalYearClassified" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FinancingReceivableOriginatedInCurrentFiscalYearTotals" name="FinancingReceivableOriginatedInCurrentFiscalYearTotals" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FinancingReceivableOriginatedInCurrentFiscalYearChargeoff" name="FinancingReceivableOriginatedInCurrentFiscalYearChargeoff" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesWeightedAverageDefaultRate" name="AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesWeightedAverageDefaultRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_MortgageLoansOnRealEstateLossOnReserves" name="MortgageLoansOnRealEstateLossOnReserves" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_PercentageOfStockDividend" name="PercentageOfStockDividend" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_DebtInstrumentMaximumBorrowingCapacityAmount" name="DebtInstrumentMaximumBorrowingCapacityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ServiceChargesOnDepositsOther" name="ServiceChargesOnDepositsOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_InterchangeIncome" name="InterchangeIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_LoanServicingFees" name="LoanServicingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_InterestbearingDepositsAtOtherBanks" name="InterestbearingDepositsAtOtherBanks" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_NonmaturityDeposits" name="NonmaturityDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_GainOrLossOnLoansHeldForSale" name="GainOrLossOnLoansHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_InterestAndFeeIncomeLoansAndLeaseHeldForSale" name="InterestAndFeeIncomeLoansAndLeaseHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_ImpairedLoansFairValueDisclosure" name="ImpairedLoansFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FairValueMeasurementValuationTechniques" name="FairValueMeasurementValuationTechniques" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FairValueMeasurementsUnobservableInputs" name="FairValueMeasurementsUnobservableInputs" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FairValueMeasurementsSalesComparisonRange" name="FairValueMeasurementsSalesComparisonRange" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_FairValueMeasurementsRealEstateOwnedRange" name="FairValueMeasurementsRealEstateOwnedRange" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets1" name="TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets1" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
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    <element id="LARK_CommonEquityTierOneRequiredToBeWellCapitalized" name="CommonEquityTierOneRequiredToBeWellCapitalized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" name="CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets" nillable="true" xbrli:periodType="instant" type="xbrli:pureItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_TierOneRisksBasedCapitalsRequiredForCapitalAdequacy" name="TierOneRisksBasedCapitalsRequiredForCapitalAdequacy" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercentage" name="TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsPercentage" nillable="true" xbrli:periodType="instant" type="xbrli:pureItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_TierOneRisksBasedCapitalsRequiredToBeWellCapitalized" name="TierOneRisksBasedCapitalsRequiredToBeWellCapitalized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LARK_IncreaseDecreaseInSharesOutstandingThroughPurchaseOfTreasuryShares" name="IncreaseDecreaseInSharesOutstandingThroughPurchaseOfTreasuryShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
</schema>
