Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.951418646904
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1TKGFJSMVR2RP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A21AVVEQUEX7DA (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 1, worker: A8QNPF8ASC5VC
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)