Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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