Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.883218462901
Darker point darker score: 0.179103534268
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10QRO2MWG7AZ7
darker: 1 (eq: False, dd: False), confidence: 0, worker: AY2CT54659MP
darker: 1 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
(0: guessing, 1: probably, 2: definitely)