Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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