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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapInternalCreditAssessmentDomain" xlink:to="loc_grrbLoanGrade1Member_0" xlink:type="arc" order="1"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapInternalCreditAssessmentDomain" xlink:to="loc_grrbLoanGrade2Member_80" xlink:type="arc" order="81"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapInternalCreditAssessmentDomain" xlink:to="loc_grrbLoanGrade3Member_160" xlink:type="arc" order="161"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapInternalCreditAssessmentDomain" xlink:to="loc_grrbLoanGrade4Member_240" xlink:type="arc" order="241"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapInternalCreditAssessmentDomain" xlink:to="loc_grrbLoanGrade5Member_320" xlink:type="arc" order="321"/> |
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| | <link:loc xlink:type="locator" xlink:href="grrb-20211231.xsd#grrb_OneToFourFamilyResidentialMember" xlink:label="loc_grrbOneToFourFamilyResidentialMember_0"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="loc_us-gaapCommercialLoanMember_50" xlink:type="arc" order="52"/> |
| | <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConsumerLoanMember" xlink:label="loc_us-gaapConsumerLoanMember_60"/> |
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| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFinancingReceivableRecordedInvestmentLineItems" xlink:to="loc_us-gaapLoansAndLeasesReceivableGrossCarryingAmount_1290" xlink:type="arc" order="0"/> |
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| | <link:loc xlink:type="locator" xlink:href="grrb-20211231.xsd#grrb_OneToFourFamilyResidentialMember" xlink:label="loc_grrbOneToFourFamilyResidentialMember_0"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapFinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="loc_grrbOneToFourFamilyResidentialMember_0" xlink:type="arc" order="1"/> |
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