Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.901543175835
Darker point darker score: 0.0810835892585
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2V83AS7LPINAN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PX16PNFHQ5OK
(0: guessing, 1: probably, 2: definitely)