FF1 := [ [4,2,-2,-1,-2,-1,-2,-1,0,0,0,0,0,0,0,0,-2,-1,-2,-1,-2,-1,2,1,0,0,0,0,0,0,0,0, 2,4,-1,-2,-1,-2,-1,-2,0,0,0,0,0,0,0,0,-1,-2,-1,-2,-1,-2,1,2,0,0,0,0,0,0,0,0, -2,-1,4,2,2,1,2,1,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1,0,0,0,0,0,0,0,0, -1,-2,2,4,1,2,1,2,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2,0,0,0,0,0,0,0,0, -2,-1,2,1,4,2,2,1,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1,0,0,0,0,0,0,0,0, -1,-2,1,2,2,4,1,2,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2,0,0,0,0,0,0,0,0, -2,-1,2,1,2,1,4,2,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1,0,0,0,0,0,0,0,0, -1,-2,1,2,1,2,2,4,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,4,2,2,1,2,1,2,1,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1, 0,0,0,0,0,0,0,0,2,4,1,2,1,2,1,2,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2, 0,0,0,0,0,0,0,0,2,1,4,2,2,1,2,1,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1, 0,0,0,0,0,0,0,0,1,2,2,4,1,2,1,2,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2, 0,0,0,0,0,0,0,0,2,1,2,1,4,2,2,1,0,0,0,0,0,0,0,0,2,1,2,1,2,1,-2,-1, 0,0,0,0,0,0,0,0,1,2,1,2,2,4,1,2,0,0,0,0,0,0,0,0,1,2,1,2,1,2,-1,-2, 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