Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.958920033675
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: ASOOONBGQ48YI
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 1, worker: A1NQZHW4RY6IDR
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
(0: guessing, 1: probably, 2: definitely)