12 · Special hand
Conditions
Fourteen distinct tiles from a knitted 147/258/369 assignment and honors. All Types is excluded when present. A complete nine-tile Knitted Straight may be added, as may Fully Concealed Hand on self-draw.
How to build it
Check the required distinct tiles and pairs early. These hands often differ from four sets and a pair, so avoid calls that destroy the target shape.
Key tile shapes
Patterns not counted together
All Types · Concealed Hand · Single Wait