[1,-2,0,2,-2,0,0,4,0,-2,0,0,-2,-4,0,0,6,0,0,4,0, -4,0,0,0,-2,0,2,-4,0,0,4,0,0,0,0,-2,-4,0,4,0,0,0, 4,0,0,0,0,6,-6,0,0,-4,0,0,0,0,-4,0,0,0,-4,0,4,6,0, 0,4,0,0,0,0,0,-4,0,2,-4,0,0,4,0,-2,0,0,-4,0,0,0,0, 0,0,8,0,-4,0,0,0,-4,0,0,-2,0,0,4,0]