Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.23712145543
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A3JB8CDV1SF2TH
darker: E (eq: True, dd: None), confidence: 2, worker: A14PFRHG0A2YY9
darker: E (eq: True, dd: None), confidence: 2, worker: A3N6C8962TXPVH
darker: E (eq: True, dd: None), confidence: 2, worker: A1CV8APDA7Y2PI
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A8DFFGPH3G3V5
(0: guessing, 1: probably, 2: definitely)