Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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