Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.112720094489
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3BOFWD3AVRMLC
darker: E (eq: True, dd: None), confidence: 2, worker: A36RSPJYGSUWQT
darker: E (eq: True, dd: None), confidence: 2, worker: A2C1Z52F4B0CG1
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3GTIIFSMHAKRZ
(0: guessing, 1: probably, 2: definitely)