Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.88020322385
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2MZLVT9DB9MGK
darker: E (eq: True, dd: None), confidence: 2, worker: APROFW08F7Z34
darker: E (eq: True, dd: None), confidence: 2, worker: AIKBREX7SEPXE
darker: E (eq: True, dd: None), confidence: 2, worker: AKLZPOBB3YA33
darker: E (eq: True, dd: None), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)