Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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