Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.227123520649
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B0AB2C9SIHN
darker: E (eq: True, dd: None), confidence: 2, worker: A3B0AB2C9SIHN
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q27LZW3VNDIP
darker: E (eq: True, dd: None), confidence: 2, worker: A3D2AKUFNQD73Y
(0: guessing, 1: probably, 2: definitely)