Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.101786374011
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DU0G52OTCO5K
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3JJAFR9BRLG0
(0: guessing, 1: probably, 2: definitely)