Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0904159061269
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1RD79V8R2YXZP
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 0, worker: A3GTIIFSMHAKRZ
darker: 1 (eq: False, dd: False), confidence: 0, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1S4DGZRQAQJT5
(0: guessing, 1: probably, 2: definitely)