Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.136699922556
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: AIKBREX7SEPXE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3J83K797QJ6QO (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AZ9A137H25EDX
darker: E (eq: True, dd: None), confidence: 2, worker: AAC5XT7UY7B2K
darker: 2 (eq: False, dd: True), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)