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