Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.44363367252
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14MXJ8GNYDWX1
darker: E (eq: True, dd: None), confidence: 2, worker: A235ULDV4XUVDM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BG6O1B5B3F78
darker: E (eq: True, dd: None), confidence: 2, worker: A116SF9QIZ854X
darker: 2 (eq: False, dd: True), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3JJAFR9BRLG0
(0: guessing, 1: probably, 2: definitely)