Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0948294728553
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A37TNFY6Z2X3XX (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PX16PNFHQ5OK
darker: E (eq: True, dd: None), confidence: 0, worker: A3HO0DT978POJ2
darker: E (eq: True, dd: None), confidence: 1, worker: A1SNF5XJQ0205C
darker: E (eq: True, dd: None), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)