Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.275059343278
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2V9WRIAL9CJZT
darker: E (eq: True, dd: None), confidence: 2, worker: A29LON3TC6GCJN
darker: E (eq: True, dd: None), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: ADN5X9XAX18JA
darker: E (eq: True, dd: None), confidence: 2, worker: A235ULDV4XUVDM
darker: 2 (eq: False, dd: False), confidence: 2, worker: A325FINFEL3NH8 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
(0: guessing, 1: probably, 2: definitely)