Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0222290654681
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A1D52ZPSW6L9
darker: E (eq: True, dd: None), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)