Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.88580503509
Darker point darker score: 0.891381485884
darker: 2 (eq: False, dd: True), confidence: 2, worker: A223DDTP3FOZFU
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A223DDTP3FOZFU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3I546VTF7B6YX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2D3TM156X7Y61
(0: guessing, 1: probably, 2: definitely)