[(9, 1), (6, 2), (7, 2), (3, 2), (4, 2), (4, 3), (7, 4), (1, 5), (2, 5), (10, 6), (7, 6), (8, 6), (1, 7), (4, 8), (2, 8), (7, 8), (3, 8), (2, 9), (5, 9), (2, 10)]
9 6 7 3 4 4 7 1 2 10 7 8 1 4 2 7 3 2 5 2 1 2 2 2 2 3 4 5 5 6 6 6 7 8 8 8 8 9 9 10