Little three dragons
2 han (plus two value pungs)#Pungs of two dragons and a pair of the third.
Example
2 Characters3 Characters5 Dots6 Dots7 DotsRed DragonRed DragonRed DragonGreen DragonGreen DragonGreen DragonWhite DragonWhite Dragon
Win4 Characters
Counted by the scoring program:
- Yakuhai: Red Dragon1 han · Japanese mahjong yaku
- Yakuhai: Green Dragon1 han · Japanese mahjong yaku
- Little three dragons2 han · Japanese mahjong yaku
- Total4 han, 50 fu · Japanese mahjong yaku
Counterexample
2 Characters3 Characters5 Dots6 Dots7 Dots9 Bamboo9 BambooRed DragonRed DragonRed DragonGreen DragonGreen DragonGreen Dragon
Win4 Characters
The pair is not a dragon, so there are just two value pungs.