Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.515799619226
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1FUQIDCR4U4QQ
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 0, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)