Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.952182593795
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3B0AB2C9SIHN
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2YUEQDJHNS6P7 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AEJO933AJ3ZZH
(0: guessing, 1: probably, 2: definitely)