Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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