Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.895044713777
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3J83K797QJ6QO (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2FXH814XCL143 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
darker: E (eq: True, dd: None), confidence: 2, worker: A3RZMD0GPKZBJ5
(0: guessing, 1: probably, 2: definitely)