Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: A
Equal score: None
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: AOKJCDRWBS5MK
darker: E (eq: True, dd: None), confidence: 1, worker: A2YUBS32Z1NI59
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2V9WRIAL9CJZT
darker: E (eq: True, dd: None), confidence: 2, worker: A1NF6PELRKACS9
darker: 1 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)