Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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