369・T3
45 points, concealed#This line must be completed concealed; no groups may be exposed.
Example
3 6 9 3 6 9 3333 6666
3 Characters6 Characters9 Characters3 Dots6 Dots9 Dots3 Bamboo3 Bamboo3 Bamboo3 Bamboo6 Bamboo6 Bamboo6 Bamboo6 Bamboo
The scoring program says: 90 points for this line (no jokers, doubled).
Counterexample
1 Characters3 Characters6 Characters9 Characters3 Dots6 Dots9 Dots3 Bamboo3 Bamboo3 Bamboo6 Bamboo6 Bamboo6 Bamboo6 Bamboo
With one 3-bamboo missing and an extra 1-character, the line no longer forms.