2 1 1 1 1 1 1 1 7 1 1 7 1 1 9 7 1 1 7 2 7 1 1 0 1 2 9 9 7 1 1 1 1 7 6 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 9 0 0 0 0 0 0 0 0