Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.895609817435
Darker point darker score: -0.172192641163
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1SRPH3BGCHUOA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQYQG3VFJTWW
darker: 2 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)