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