Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.227307795546
Darker point darker score: -0.399894008393
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: APQU1QQ738JV9
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2JIQYORPF0PSE
(0: guessing, 1: probably, 2: definitely)