Four concealed triplets
5 tai#Four pungs, all completed by your own draws (a pung finished with a discarded tile does not count); the fifth set is a chow.
Example
1 Characters1 Characters1 Characters5 Characters5 Characters5 Characters9 Characters9 Characters9 Characters3 Dots4 Dots2 Bamboo2 Bamboo7 Bamboo7 Bamboo7 Bamboo
Win2 Dots
Counted by the scoring program:
- Concealed self-draw3 tai
- Four concealed triplets5 tai
Counterexample
1 Characters1 Characters1 Characters5 Characters5 Characters5 Characters9 Characters9 Characters9 Characters2 Dots3 Dots2 Bamboo2 Bamboo
Win4 Dots
7 Bamboo7 Bamboo7 Bamboo
The melded pung is exposed, leaving only three concealed pungs.