Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.303080699749
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 2, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: E (eq: True, dd: None), confidence: 2, worker: A2DNSD743W4OC2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AWO91BEOHNOJB
(0: guessing, 1: probably, 2: definitely)