Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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