Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.881663909418
Darker point darker score: -0.894299206071
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3JB8CDV1SF2TH
darker: 1 (eq: False, dd: False), confidence: 1, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1E4M8ET704NBF
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
darker: 1 (eq: False, dd: False), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)