Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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