Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0127650848717
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
darker: 1 (eq: False, dd: True), confidence: 0, worker: AUKFRW1LVWIZ8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 1, worker: ASOOONBGQ48YI
(0: guessing, 1: probably, 2: definitely)