Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0281365803367
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: E (eq: True, dd: None), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1F4MP6YOIC1IV
(0: guessing, 1: probably, 2: definitely)