Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.924606523905
Darker point darker score: 0.916104558196
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A7DN8E3C7IWLI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: False), confidence: 2, worker: AVQ23YRFWZKHH (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3HO0DT978POJ2
(0: guessing, 1: probably, 2: definitely)