Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.219767095405
Darker point darker score: -0.174237202485
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1AKY7UPWR53YH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3GFISRU6V2MG5
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)