Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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