2 12 2 1 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 -1 1 -1 1 -1 1 -1 1 -1 2 0 1 0 1 1 0 1 0 1 1 1 1 1 1 1 1 1 -1 1 -1 1 -1 1 -1 -1