Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.139612529489
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: AKLZPOBB3YA33
darker: 1 (eq: False, dd: True), confidence: 2, worker: A13QL2FY4BZR9B
darker: E (eq: True, dd: None), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 2, worker: A1I4YHF7RG58DV
darker: E (eq: True, dd: None), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
(0: guessing, 1: probably, 2: definitely)