Fifteen

Developed by Pedro Izecksohn.

1 2 3 4
6 9 C 7
5 _ F 8
D A B E

Fifteen

1 2 3 4 6 9 C 7 5 _ F 8 D A B E

1 2 3 4
6 9 C 7
5 _ F 8
D A B E