Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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