Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.885174529885
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A360B58589TBUS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A10S23B6VB5G8M
darker: E (eq: True, dd: None), confidence: 2, worker: A3F813T7DKLBKP
darker: E (eq: True, dd: None), confidence: 2, worker: A2631BM7J7H37K
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)