Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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