Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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