Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.171216948331
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: AKHVTWTHW5VID
darker: E (eq: True, dd: None), confidence: 1, worker: A216Z8XU0OZD03
darker: E (eq: True, dd: None), confidence: 2, worker: A1NZVXB0S8DR04
darker: E (eq: True, dd: None), confidence: 2, worker: A8M21O74D3SFU
darker: E (eq: True, dd: None), confidence: 2, worker: A1E4M8ET704NBF
(0: guessing, 1: probably, 2: definitely)