Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.134103786443
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXIY3LLO186R
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3V3O547GWAZID
darker: E (eq: True, dd: None), confidence: 1, worker: A37AJI03M37NPJ
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1WVOW92WZG8HP (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)