Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0504421836613
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A3760PCQD2MPIO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A4SP70BFBM4ZP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3D2AKUFNQD73Y
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 0, worker: A1E4M8ET704NBF
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: AYD3RXE17K2CF
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)