Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 1.11940372472
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 2 (eq: False, dd: True), confidence: 0, worker: A341BRCJQJDXRV (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NGT2SPSU6FCB
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)