Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.392009899089
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A7YR8O19WNQCS
darker: E (eq: True, dd: None), confidence: 2, worker: AH5A4HC68V57W (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2P3JDCCY0EH5G
darker: E (eq: True, dd: None), confidence: 2, worker: A1F4MP6YOIC1IV
darker: E (eq: True, dd: None), confidence: 2, worker: A1WRANKL1HRGYW
darker: E (eq: True, dd: None), confidence: 2, worker: ADPVKKFJ886DJ
darker: E (eq: True, dd: None), confidence: 2, worker: AYPRFUHZSRQVN
(0: guessing, 1: probably, 2: definitely)