Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.43368742238
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A1ERG69NJPO0XP
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: E (eq: True, dd: None), confidence: 2, worker: A258PTOZ3D2TQR
darker: E (eq: True, dd: None), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3HPVFAF1U9WXK
darker: E (eq: True, dd: None), confidence: 2, worker: A1NO4LG6KGOGFD
(0: guessing, 1: probably, 2: definitely)