Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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