Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02018624051
Darker point darker score: 0.25060950507
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NQZHW4RY6IDR
darker: 1 (eq: False, dd: False), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 2 (eq: False, dd: True), confidence: 0, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10QRO2MWG7AZ7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A11KMASRERFP0V
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)