Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.634071762788
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2SYRUPGAUG1QO
darker: E (eq: True, dd: None), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1TQYQG3VFJTWW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FB1E807EN22S
darker: E (eq: True, dd: None), confidence: 2, worker: A1WP5F7NLRWLKW
darker: E (eq: True, dd: None), confidence: 1, worker: A3P9BBIGUZ53BX (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)