Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.28746770163
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3UVHA0IVR56FU
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
(0: guessing, 1: probably, 2: definitely)