Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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