Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0561746337574
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2MVD3RM13CJXK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7DN8E3C7IWLI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A5F9W4HK9Q41U
darker: E (eq: True, dd: None), confidence: 0, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1D2E3QRL7O43T
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)