Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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