Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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