Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0469171133514
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1DJDT4B5B19Q2
darker: E (eq: True, dd: None), confidence: 2, worker: A4H1NYJVE7C53
darker: E (eq: True, dd: None), confidence: 2, worker: A1XVZCQ983ETMR
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1RDQFNF6LD25Z
darker: E (eq: True, dd: None), confidence: 2, worker: A3VQLIGEFIPKAP
(0: guessing, 1: probably, 2: definitely)