Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.10535138885
Darker point darker score: 0.0429830400366
darker: 1 (eq: False, dd: False), confidence: 1, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3KUL185XF3MFU
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PIU3R3IE6VDW
darker: 2 (eq: False, dd: True), confidence: 1, worker: A17AF8T628J0B9
(0: guessing, 1: probably, 2: definitely)