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inv(identitymatrix(6)-{{0,1/4,0,0,1/2,0},{0,0,2/9,4/9,0,2/9},{0,1/4,0,0,1/2,0},{0,1/4,0,0,1/2,0},{0,0,2/9,4/9,0,1/9},{0,1/2,0,0,1/2,0}}).{{1},{1},{1},{1},{1},{1}}
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