Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0772567535762
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A258PTOZ3D2TQR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DU0G52OTCO5K
darker: E (eq: True, dd: None), confidence: 2, worker: A2D6GU31XFG5LY
darker: E (eq: True, dd: None), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)