Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.949125108361
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2F0NZQ8F9ON8C
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
darker: E (eq: True, dd: None), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
(0: guessing, 1: probably, 2: definitely)