Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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