Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.883563538456
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: AIKBREX7SEPXE
darker: E (eq: True, dd: None), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A37TNFY6Z2X3XX (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2JTDTGLA7IZ0L
darker: E (eq: True, dd: None), confidence: 2, worker: A3HO0DT978POJ2
(0: guessing, 1: probably, 2: definitely)