Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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