Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.924477494362
Darker point darker score: -0.0830475306721
darker: 1 (eq: False, dd: True), confidence: 1, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
darker: E (eq: True, dd: None), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: False), confidence: 1, worker: APWBUB0PDRLS5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A28910KJWKMQMO (marked invalid)
(0: guessing, 1: probably, 2: definitely)