Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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