Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.880042384693
Darker point darker score: 0.925465662525
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DKW5X4Y1Z6UD
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 1 (eq: False, dd: True), confidence: 2, worker: AKZ8SFOAI4RZN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3KUGXG2Y6X7BD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
(0: guessing, 1: probably, 2: definitely)