2468・E4
50 points, concealed#This line must be completed concealed; no groups may be exposed.
Example
2 4 6 8 2 4 6 8 22 44 66
2 Characters4 Characters6 Characters8 Characters2 Dots4 Dots6 Dots8 Dots2 Bamboo2 Bamboo4 Bamboo4 Bamboo6 Bamboo6 Bamboo
The scoring program says: 100 points for this line (no jokers, doubled).
Counterexample
1 Characters2 Characters4 Characters6 Characters8 Characters2 Dots4 Dots6 Dots8 Dots2 Bamboo4 Bamboo4 Bamboo6 Bamboo6 Bamboo
With one 2-bamboo missing and an extra 1-character, the line no longer forms.