Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.906247251592
Darker point darker score: -0.879732114649
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)