Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.605458442653
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1297K7FECN9JJ
darker: E (eq: True, dd: None), confidence: 2, worker: AUJ3E2LEXUU10
darker: E (eq: True, dd: None), confidence: 0, worker: A35WUJZ4RJNZFX
darker: E (eq: True, dd: None), confidence: 1, worker: AGDDGSV1IQ0Z4
darker: E (eq: True, dd: None), confidence: 2, worker: A168LFJNV9DSTS
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)