Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.202981999855
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2SNX0RFIPIO60
darker: E (eq: True, dd: None), confidence: 1, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: A3UN57EC5AXY1Z
(0: guessing, 1: probably, 2: definitely)