Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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