Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.880986725879
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3ICG6AUFB4AT
darker: E (eq: True, dd: None), confidence: 1, worker: A1CEPAN1MLYHSO
darker: 1 (eq: False, dd: False), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2EKPA2DR5VSA8
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: AG5PRN6LLI9E1
(0: guessing, 1: probably, 2: definitely)