Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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