Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.955842863608
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1H10UJNXTJDX4
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A1FUQIDCR4U4QQ
darker: E (eq: True, dd: None), confidence: 2, worker: A1N4JP7BSPNF95
darker: E (eq: True, dd: None), confidence: 1, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)