Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.77211919568
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AXHC7OMH8XE9U
darker: E (eq: True, dd: None), confidence: 2, worker: A1G05O3HM7DNVZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: AVUB4GDC2GE48 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2FQSVTAOL5GUC
darker: E (eq: True, dd: None), confidence: 2, worker: A3S8HNGZ7BN1I6
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)