Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.916756433033
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3PX16PNFHQ5OK
darker: E (eq: True, dd: None), confidence: 2, worker: APWBUB0PDRLS5
darker: E (eq: True, dd: None), confidence: 2, worker: A1BDJFRSELMRDT
darker: E (eq: True, dd: None), confidence: 2, worker: A3DY9JPLPQUN1O
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)