[1,-1,0,0,0,0,0,1,-1,0,0,0,0,0,1,-1,0,0,0,0,0,1, -1,0,0,0,0,0,1,-1,0,0,0,0,0,1,-1,0,0,0,0,0,1,0,-1, 0,0,0,0,1,0,-1,0,0,0,0,1,0,-1,0,0,0,0,1,0,-1,0,0, 0,0,1,0,-1,0,0,0,0,1,0,-1,0]