Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.907706320812
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
darker: E (eq: True, dd: None), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: False), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
(0: guessing, 1: probably, 2: definitely)