[[1,0,0,0],[1,1,0,0],[1,0,1,0],[1,1,0,1]]*[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,2]]*transpose([[1,0,0,0],[1,1,0,0],[1,0,1,0],[1,1,0,1]])

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