Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.949316169223
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1D2E3QRL7O43T
darker: E (eq: True, dd: None), confidence: 2, worker: AET2U31SXUAPM
darker: E (eq: True, dd: None), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
(0: guessing, 1: probably, 2: definitely)