Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.173799342093
Darker point darker score: 0.143422730728
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMYTF6MZS1FIF (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2C1Z52F4B0CG1
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2K4WWF11Q0R9W
darker: 2 (eq: False, dd: True), confidence: 2, worker: APWBUB0PDRLS5
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
(0: guessing, 1: probably, 2: definitely)