Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0307103391056
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A10QRO2MWG7AZ7
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1A8QC2RMP3LBO
darker: E (eq: True, dd: None), confidence: 0, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2UKHWMBWV7LLU
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SNF5XJQ0205C
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)