Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.176120207293
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: AJBQ5XEHIF9Z1 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B0M28EYT4K6
darker: E (eq: True, dd: None), confidence: 1, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 2, worker: ALY6VKHUADU6F
darker: E (eq: True, dd: None), confidence: 2, worker: A1KITOCUU7GERN
(0: guessing, 1: probably, 2: definitely)