Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0142068246213
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A168LFJNV9DSTS
darker: E (eq: True, dd: None), confidence: 1, worker: A2BERSBTHBGR6E
darker: E (eq: True, dd: None), confidence: 2, worker: A36RSPJYGSUWQT
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2Q0V5TIXSJJI3
darker: E (eq: True, dd: None), confidence: 2, worker: A2XWHAVGMXTVMJ
(0: guessing, 1: probably, 2: definitely)