67
13 10 14 13 15 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 8 7 6 6 6 5 5 1 1 1 1 1 1 1 1 1 1 10 1 1 1 1 1 1 1 1 1 9 1 1 1 1 1 1 1 1 8 1 1 1 1 1 1 1