Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.143585903777
Darker point darker score: -0.0749148861055
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3N21HBZFYFEXJ
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 1, worker: ABVM2KJ7CRNZ0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: APWBUB0PDRLS5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: E (eq: True, dd: None), confidence: 2, worker: AE808DQDYM9F
(0: guessing, 1: probably, 2: definitely)