Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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