1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
A B C D E F G H I J K X4
1 X2 A 12 14 13 16
2 F Right Left F F F Right Left F Right Left F F F Right Left
3 8 10 7 9 A B H 5 4 6
5 2 1 3 3 6 4
7 8