Winds & dragons・H3
30 points#Groups of three or more may be exposed by calling; jokers only go in groups of three or more.
Example
NN EE WW SS DDD DDD
East WindEast WindSouth WindSouth WindWest WindWest WindNorth WindNorth WindRed DragonRed DragonRed DragonGreen DragonGreen DragonGreen Dragon
The scoring program says: 60 points for this line (no jokers, doubled).
Counterexample
1 CharactersEast WindEast WindSouth WindSouth WindWest WindWest WindNorth WindNorth WindRed DragonRed DragonGreen DragonGreen DragonGreen Dragon
With the red dragon missing and an extra 1-character, the line no longer forms.