Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.430391922208
Darker point darker score: -0.0277606983925
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29LON3TC6GCJN
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2YUBS32Z1NI59
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A122E99M2DQY1G (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 1, worker: A277RSAE4AKWW0
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)