Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.895478463962
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A356FSW4GNH609 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: ABWVRVG5B5OMX (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 2, worker: A2SNX0RFIPIO60
darker: E (eq: True, dd: None), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3O8YXPG1HGUH0
(0: guessing, 1: probably, 2: definitely)