Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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