Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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