Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.140774594222
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2V83AS7LPINAN
darker: 2 (eq: False, dd: True), confidence: 0, worker: AUKFRW1LVWIZ8
darker: E (eq: True, dd: None), confidence: 1, worker: A92IZM4P9SJ2S
darker: 2 (eq: False, dd: True), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
darker: E (eq: True, dd: None), confidence: 2, worker: A1F4MP6YOIC1IV
(0: guessing, 1: probably, 2: definitely)