Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0454481586348
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 0, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A26QZVXO4ZS0ED
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: False), confidence: 1, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: False), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)