Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0939515531869
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3ICG6AUFB4AT
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3HIIRTGJUJZ1D
darker: E (eq: True, dd: None), confidence: 0, worker: A3JKYHQMKDV1Y9
darker: E (eq: True, dd: None), confidence: 1, worker: AWO91BEOHNOJB
darker: E (eq: True, dd: None), confidence: 1, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: False), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A216863E5VMFSV (marked invalid)
(0: guessing, 1: probably, 2: definitely)