Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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