Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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