Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.889591205146
Darker point darker score: 0.338613959135
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)