Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.321810478802
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1H30MGYWO1MWS (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2KGL2FXIG2IQM (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: A2LT5VXO2LS0UL
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)