Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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