Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.912275905389
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2SNX0RFIPIO60
darker: E (eq: True, dd: None), confidence: 2, worker: A37Q1701BQI3TI
darker: E (eq: True, dd: None), confidence: 2, worker: AX39A14MDLX5N
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)