Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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