Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0294279144184
Darker point darker score: -0.882305486851
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3SOJXAUQE15S3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)