Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.25791190882
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DCGTGSVHL9KM
darker: E (eq: True, dd: None), confidence: 0, worker: A35TYSWGLQ8I3T
darker: E (eq: True, dd: None), confidence: 2, worker: AZ9A137H25EDX
darker: E (eq: True, dd: None), confidence: 2, worker: A3I8UKYNJHCEAH
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
(0: guessing, 1: probably, 2: definitely)