Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.089440719745
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3DY9JPLPQUN1O
darker: E (eq: True, dd: None), confidence: 2, worker: AWO91BEOHNOJB
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)