Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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