Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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