Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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