Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.911814537825
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1HJHY8RW8BJ27
darker: E (eq: True, dd: None), confidence: 1, worker: A2Q27LZW3VNDIP
darker: E (eq: True, dd: None), confidence: 1, worker: AUKFRW1LVWIZ8
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2K9VAUQ9I7CLT
(0: guessing, 1: probably, 2: definitely)