Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.929239805395
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2YAM0NOL7EQNG
darker: E (eq: True, dd: None), confidence: 1, worker: A3RNCUQDU5AVEI
darker: E (eq: True, dd: None), confidence: 2, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A32M5FDKCPHMA
darker: E (eq: True, dd: None), confidence: 2, worker: A2YUKCBFNE5RGL
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1WVOW92WZG8HP (marked invalid)
(0: guessing, 1: probably, 2: definitely)