Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.492201107109
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: AYLD14EI9Q925
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27OMO8P7J3W7K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28910KJWKMQMO (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3CB0SM114NJVL
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
darker: E (eq: True, dd: None), confidence: 0, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)