Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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