Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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