Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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