Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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