Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.279636347313
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A7S0IDTDA59QN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: A3HH4LW4MMVHE1
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: False), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)