Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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