Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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