Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0344523344347
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A36ABEGFKRJC2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DLY5ZY1C1A6V (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BG6O1B5B3F78
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1FUQIDCR4U4QQ
darker: E (eq: True, dd: None), confidence: 0, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 0, worker: ADPVKKFJ886DJ
darker: E (eq: True, dd: None), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
(0: guessing, 1: probably, 2: definitely)