Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.958398352794
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1SEDRJVSUM4NZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3683MQHQTG64Z
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3P9BBIGUZ53BX (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXG32WSJVY54
darker: E (eq: True, dd: None), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: E (eq: True, dd: None), confidence: 2, worker: AE808DQDYM9F
(0: guessing, 1: probably, 2: definitely)