Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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