Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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