Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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