Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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