Singles & pairs・P2
50 points, concealed#This line must be completed concealed; no groups may be exposed.
Example
NN EE WW SS 11 11 11
1 Characters1 Characters1 Dots1 Dots1 Bamboo1 BambooEast WindEast WindSouth WindSouth WindWest WindWest WindNorth WindNorth Wind
The scoring program says: 50 points for this line.
Counterexample
1 Characters1 Characters2 Characters1 Dots1 Dots1 Bamboo1 BambooEast WindEast WindSouth WindSouth WindWest WindWest WindNorth Wind
With the north wind missing and an extra 2-character, the line no longer forms.