Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.138698121246
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A1YQ4Z1018RM1R
darker: 1 (eq: False, dd: True), confidence: 1, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1ZGOZQF2VZ0X9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ABA3S1BGNCWW
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 2, worker: A9Y1HKUEOOEPM
darker: E (eq: True, dd: None), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 2, worker: A3NBD6P0INJB4G
(0: guessing, 1: probably, 2: definitely)