Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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