Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.929495160669
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1YG4ZN78HHICE
darker: E (eq: True, dd: None), confidence: 2, worker: ABWVRVG5B5OMX (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2631BM7J7H37K
darker: E (eq: True, dd: None), confidence: 2, worker: A1CV8APDA7Y2PI
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AKLZPOBB3YA33
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)