Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.937746495733
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 2, worker: A9Y1HKUEOOEPM
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A32XWNZW2DQ6UZ
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)