Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.829461354045
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: AWL4VD8C90KJR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: APLPGURGFU8KN
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2V83AS7LPINAN
darker: E (eq: True, dd: None), confidence: 2, worker: A36ABEGFKRJC2O
darker: E (eq: True, dd: None), confidence: 2, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
(0: guessing, 1: probably, 2: definitely)