Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.291600525687
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AOKJCDRWBS5MK
darker: 2 (eq: False, dd: True), confidence: 1, worker: AXCPRXO08DFAH (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2LVDFUMN11HAS (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: True), confidence: 1, worker: A18ZNSHNYROUC0
darker: E (eq: True, dd: None), confidence: 1, worker: A2V9WRIAL9CJZT
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)