32 · Pung patterns
Conditions
Only suited 1s, 9s and honors, as a pung hand or seven pairs. Outside Hand is excluded; Seven Pairs may be added for that shape.
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
All Pungs · Outside Hand · Pung of Terminals or Honors