Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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