Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.481990610789
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A1KH9UPH0D74QJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3J83K797QJ6QO (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: E (eq: True, dd: None), confidence: 1, worker: A3Q2HC4T5MHY93
darker: E (eq: True, dd: None), confidence: 2, worker: A1FUQIDCR4U4QQ
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)