-1 10 10 -1 10 9 -1 -1 9 9 8 8 -1 8 -1 7 7 7 7 6 -1 6 6 5 5 -1 5 5 4 4 4 4 -1 3 -1 3 2 2 -1 2 1 1 1 -1 -1 -1 0 -1 0 0
10 10 9 9 8 8 6 5 3 3 2 1 1 0 0