Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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