Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0429058455581
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 0, worker: AX720MTAR52TX
darker: E (eq: True, dd: None), confidence: 0, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A106BTOUPN1KRV
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)