Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.899339268713
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: AMYTF6MZS1FIF (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AATBV6YR0R51U (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: E (eq: True, dd: None), confidence: 2, worker: A1YQ4Z1018RM1R
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)