Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.175756386302
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AATGZLS7MZZT1
darker: E (eq: True, dd: None), confidence: 0, worker: A216Z8XU0OZD03
darker: E (eq: True, dd: None), confidence: 1, worker: A2DTELFC4X0QJQ
darker: E (eq: True, dd: None), confidence: 2, worker: A350DTTUYQLHKJ
darker: E (eq: True, dd: None), confidence: 2, worker: A2RMSR5X69YMCL
(0: guessing, 1: probably, 2: definitely)