{{-3, -1, 2}, {-1, 3/2, -1/2}, {2, -1/2, -1/2}} * {{0,0,0,0},{1,2,3,4},{5,6,7,8}} * {{1,1,3,2},{2,3,1,7},{3,3,4,1},{4,7,1,8}}

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