Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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