Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.881851986728
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2D6GU31XFG5LY
darker: E (eq: True, dd: None), confidence: 1, worker: A3JKYHQMKDV1Y9
darker: 2 (eq: False, dd: True), confidence: 2, worker: AH5A4HC68V57W (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FB1E807EN22S
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: False), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1XVZCQ983ETMR
(0: guessing, 1: probably, 2: definitely)