Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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