Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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