48 · Pung patterns
Conditions
Four pungs or kongs in one suit with ranks increasing by one. Pure Shifted Pungs is not additionally counted.
How to build it
Keep pairs of the required ranks or honors as seeds for pungs. Before calling a chow, check whether it removes a concealed-pung or concealed-hand pattern.
Key tile shapes
Patterns not counted together
Pure Triple Chow · Pure Shifted Pungs · All Pungs