Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.107486244135
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2LT5VXO2LS0UL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A251KVXCS8E3C
darker: E (eq: True, dd: None), confidence: 2, worker: A1AKY7UPWR53YH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A29WHBX4Y40L08 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1YQ4Z1018RM1R
darker: E (eq: True, dd: None), confidence: 0, worker: A3UKUFHOITA6JF
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: E (eq: True, dd: None), confidence: 2, worker: A3SOJXAUQE15S3
(0: guessing, 1: probably, 2: definitely)