Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.164551729311
Darker point darker score: 0.142696319892
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: False), confidence: 1, worker: A92IZM4P9SJ2S
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)