Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.195901934081
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AA0558LLNXYYR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZVWE8XJDWNAD
darker: E (eq: True, dd: None), confidence: 2, worker: A3VQLIGEFIPKAP
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
(0: guessing, 1: probably, 2: definitely)