Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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