Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.136620552803
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3683MQHQTG64Z
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2UD6YLEN1BU8M
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: A3128LS551616K
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
(0: guessing, 1: probably, 2: definitely)