Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.881908544467
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A122E99M2DQY1G (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2KJ983WWTEK4L
darker: E (eq: True, dd: None), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 2, worker: A3GTIIFSMHAKRZ
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)