Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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