Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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