Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.184512233422
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1NO4LG6KGOGFD
darker: E (eq: True, dd: None), confidence: 2, worker: A2KGL2FXIG2IQM (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2LT5VXO2LS0UL
darker: E (eq: True, dd: None), confidence: 2, worker: A32M5FDKCPHMA
darker: E (eq: True, dd: None), confidence: 2, worker: A1WP5F7NLRWLKW
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
(0: guessing, 1: probably, 2: definitely)