Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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