Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.122644043243
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A390HYGLCX40HE
darker: E (eq: True, dd: None), confidence: 1, worker: A95BNJY8QMMLQ
darker: E (eq: True, dd: None), confidence: 0, worker: A106BTOUPN1KRV
darker: E (eq: True, dd: None), confidence: 2, worker: A2C1Z52F4B0CG1
darker: E (eq: True, dd: None), confidence: 2, worker: A3JK0EYQ2I82KS
(0: guessing, 1: probably, 2: definitely)