Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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