Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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