Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0705017389287
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 0, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GFISRU6V2MG5
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
(0: guessing, 1: probably, 2: definitely)