Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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