Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.999554318726
Darker point darker score: 0.155210316844
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KGL2FXIG2IQM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ACOZKBVDE1ZTK
darker: 1 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SRPH3BGCHUOA
(0: guessing, 1: probably, 2: definitely)