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          <RecipientFoundationStatusTxt>NC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>TO SUPPORT ORGANIZATION</GrantOrContributionPurposeTxt>
          <Amt>25000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>1877377</TotalGrantOrContriPdDurYrAmt>
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        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>32603</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>774832</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncmPartVIIGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>4608915</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>5416350</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>5416350</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
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      <InvestmentsCorporateBondsGrp>
        <BondNm>ST CORP BD-PORTFOLIO</BondNm>
        <EOYBookValueAmt>3905662</EOYBookValueAmt>
        <EOYFMVAmt>3905662</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>VANGUARD BD INDEX FD INC</BondNm>
        <EOYBookValueAmt>2288001</EOYBookValueAmt>
        <EOYFMVAmt>2288001</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>VANGURD INTER-TERM CORP BD ETF</BondNm>
        <EOYBookValueAmt>4734701</EOYBookValueAmt>
        <EOYFMVAmt>4734701</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
      <InvestmentsCorporateBondsGrp>
        <BondNm>PUBLIC STORA 3.875% PFD SER N</BondNm>
        <EOYBookValueAmt>2411175</EOYBookValueAmt>
        <EOYFMVAmt>2411175</EOYFMVAmt>
      </InvestmentsCorporateBondsGrp>
    </InvestmentsCorpBondsSchedule>
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>ALIBABA GROUP HLDG LTD</StockNm>
        <EOYBookValueAmt>449169</EOYBookValueAmt>
        <EOYFMVAmt>449169</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>GOOGLE INC</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>GOOGLE INC</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>APPLE INC SHARES</StockNm>
        <EOYBookValueAmt>1563221</EOYBookValueAmt>
        <EOYFMVAmt>1563221</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>BERKSHIRE HATHAWAY SHARES</StockNm>
        <EOYBookValueAmt>502462</EOYBookValueAmt>
        <EOYFMVAmt>502462</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>S&amp;P 500 PORTFOLIO</StockNm>
        <EOYBookValueAmt>14019466</EOYBookValueAmt>
        <EOYFMVAmt>14019466</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VANGUARD S&amp;P 500 ETF</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VANGUARD SPECIALIZED DIV</StockNm>
        <EOYBookValueAmt>396970</EOYBookValueAmt>
        <EOYFMVAmt>396970</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VANGUARD SMALL-CAP</StockNm>
        <EOYBookValueAmt>32901</EOYBookValueAmt>
        <EOYFMVAmt>32901</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ISHARES MSCI EAFE INDEX FD</StockNm>
        <EOYBookValueAmt>570620</EOYBookValueAmt>
        <EOYFMVAmt>570620</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>PARAMETRIC MSCI EAFE</StockNm>
        <EOYBookValueAmt>4544322</EOYBookValueAmt>
        <EOYFMVAmt>4544322</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VANGUARD FTSE EMERGING MARKETS</StockNm>
        <EOYBookValueAmt>2107727</EOYBookValueAmt>
        <EOYFMVAmt>2107727</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>GCI LIBERTY INC - CLASS A</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>SPDR S&amp;P 500ETF TRUST</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ISHARES CORE MSCI EAFE ETF</StockNm>
        <EOYBookValueAmt>3488838</EOYBookValueAmt>
        <EOYFMVAmt>3488838</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>SCHWAB GOVT MONEY MARKET FUND</StockNm>
        <EOYBookValueAmt>0</EOYBookValueAmt>
        <EOYFMVAmt>0</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALPHABET INC CLASS A</StockNm>
        <EOYBookValueAmt>212069</EOYBookValueAmt>
        <EOYFMVAmt>212069</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ALPHABET INC CLASS C</StockNm>
        <EOYBookValueAmt>199714</EOYBookValueAmt>
        <EOYFMVAmt>199714</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>Other Income (Loss)</Desc>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
  </ReturnData>
</Return>
