Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.176528763303
Darker point darker score: -0.0727580393766
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CQLD1RK8ZQ7D
darker: 1 (eq: False, dd: True), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)