Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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