Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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