Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.92720021579
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7WI4XSAIFD7J (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A3SOJXAUQE15S3
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1E9VI5RSZI31F
(0: guessing, 1: probably, 2: definitely)