Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0407944692018
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3CB0SM114NJVL
darker: E (eq: True, dd: None), confidence: 2, worker: A3I8UKYNJHCEAH
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: E (eq: True, dd: None), confidence: 1, worker: A1JEDFDBWHLA1F
(0: guessing, 1: probably, 2: definitely)