Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.201048269688
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A20CM8GXU53GUY
darker: E (eq: True, dd: None), confidence: 0, worker: A19JD78JJXEW01
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3J83K797QJ6QO (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 2, worker: AKG5TLUQ2WWED
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)