Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.963406933919
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3VPHHR5GLSQ7Q
darker: E (eq: True, dd: None), confidence: 2, worker: A1ITTM18PQP5X8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)