Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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