Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.122298740313
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 1, worker: AU6R1LDJQ0E1L
darker: 2 (eq: False, dd: False), confidence: 0, worker: AY2CT54659MP
darker: E (eq: True, dd: None), confidence: 1, worker: A258PTOZ3D2TQR
darker: E (eq: True, dd: None), confidence: 1, worker: A37Q1701BQI3TI
(0: guessing, 1: probably, 2: definitely)