Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 1.35040159436
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A1DU0G52OTCO5K
darker: E (eq: True, dd: None), confidence: 2, worker: A3128LS551616K
darker: E (eq: True, dd: None), confidence: 2, worker: A2B8MKZ6ING8E7
darker: E (eq: True, dd: None), confidence: 2, worker: A3DY9JPLPQUN1O
darker: E (eq: True, dd: None), confidence: 2, worker: A1K3QJM1Q770Y (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)