Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.2109950523
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: ARW2F8HD8VOLX (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A14BFNH96MJQH
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: E (eq: True, dd: None), confidence: 2, worker: A1Y5DMCQYLVL74
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q0V5TIXSJJI3
(0: guessing, 1: probably, 2: definitely)