Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.418008147316
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2ZWBU7PJMG5KJ
darker: E (eq: True, dd: None), confidence: 2, worker: A2SXYRKIP3J9CJ
darker: E (eq: True, dd: None), confidence: 1, worker: A3S436BYF71HJA
darker: E (eq: True, dd: None), confidence: 2, worker: A1NO4LG6KGOGFD
darker: E (eq: True, dd: None), confidence: 2, worker: AKG5TLUQ2WWED
(0: guessing, 1: probably, 2: definitely)