Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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