Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.880853768818
Darker point darker score: 0.0518214176425
darker: 1 (eq: False, dd: True), confidence: 2, worker: AKZ8SFOAI4RZN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3VEMG1EEBJHWD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
(0: guessing, 1: probably, 2: definitely)