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Matrix Inverse[IdentityMatrix[6]-((0,1,0,0,0,0),(0,1/6,5/6,0,0,0),(0,0,1/3,2/3,0,0),(0,0,0,1/2,1/2,0),(0,0,0,0,2/3,1/3),(0,0,0,0,0,5/6))]
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