Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.893881154651
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A277RSAE4AKWW0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2I0M1XXACA4WE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)