Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.577835443138
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2BG6O1B5B3F78
darker: E (eq: True, dd: None), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: E (eq: True, dd: None), confidence: 0, worker: A2KGL2FXIG2IQM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NF6PELRKACS9
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)