Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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