Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.017048582308
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A19G248ZRHWWHT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1LAC2M11NC968
darker: E (eq: True, dd: None), confidence: 0, worker: A2C1Z52F4B0CG1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TF729Y38Y0WH
darker: E (eq: True, dd: None), confidence: 2, worker: A1NQZHW4RY6IDR
(0: guessing, 1: probably, 2: definitely)