Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.136058502076
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3KECWK131P3OM
darker: 1 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 0, worker: A4SP70BFBM4ZP
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 2, worker: A2C1Z52F4B0CG1
(0: guessing, 1: probably, 2: definitely)