Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.12238787801
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A2UD6YLEN1BU8M
darker: 2 (eq: False, dd: True), confidence: 2, worker: ALY6VKHUADU6F
darker: E (eq: True, dd: None), confidence: 2, worker: A10BSYZE6OHQCD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 1, worker: A2U6RU3NL5CGH7
(0: guessing, 1: probably, 2: definitely)