Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.04336668764
Darker point darker score: -0.0720381911145
darker: 2 (eq: False, dd: True), confidence: 0, worker: AIOZSJB0O6OSQ
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1V0SVCSZX78KM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A37BJIS83RKF9X
darker: 1 (eq: False, dd: False), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3799NWTIYKCEV
(0: guessing, 1: probably, 2: definitely)