Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.13571602143
Darker point darker score: -0.113252096968
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1HFKYFW5AG80B
darker: 1 (eq: False, dd: False), confidence: 1, worker: A106ZSJP3CLBE4
darker: 1 (eq: False, dd: False), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3GFISRU6V2MG5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1NPKI9KKWOI2P
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1ZGOZQF2VZ0X9 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)