Fifteen

Developed by Pedro Izecksohn.

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

Fifteen

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

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