Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0540071528865
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2SE351Y7LS6QI
darker: E (eq: True, dd: None), confidence: 1, worker: A1GM94HPPS4SS0
darker: E (eq: True, dd: None), confidence: 0, worker: AGQOUDGB4N87B
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SNF5XJQ0205C
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)