Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.382465105752
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2CQLD1RK8ZQ7D
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
darker: E (eq: True, dd: None), confidence: 2, worker: A23RB1Y4ANXQLS
(0: guessing, 1: probably, 2: definitely)