Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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