Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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