Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.881472153052
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2DNSD743W4OC2
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AKG5TLUQ2WWED
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
(0: guessing, 1: probably, 2: definitely)