Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.905492047811
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A21AVVEQUEX7DA (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
darker: E (eq: True, dd: None), confidence: 0, worker: A19JD78JJXEW01
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A9TXA398YYVBP
darker: E (eq: True, dd: None), confidence: 2, worker: A92IZM4P9SJ2S
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)