Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.900739552109
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A1SEDRJVSUM4NZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 2, worker: A3PX16PNFHQ5OK
darker: E (eq: True, dd: None), confidence: 2, worker: A3LHITZX5D9J9A
darker: E (eq: True, dd: None), confidence: 2, worker: A3JLJXKUPJX3J2
darker: E (eq: True, dd: None), confidence: 2, worker: A3PF1VER45OVPM
(0: guessing, 1: probably, 2: definitely)