Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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