Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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