Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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