Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0310977296636
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A168LFJNV9DSTS
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DHO3LMQ2FL69
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 2, worker: A2A1D52ZPSW6L9
darker: E (eq: True, dd: None), confidence: 2, worker: A1TM1ZFU4OIPTD
(0: guessing, 1: probably, 2: definitely)