Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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