Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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