Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0048236769794
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: AI90ZNJJ543AP (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1GM94HPPS4SS0
darker: 1 (eq: False, dd: True), confidence: 2, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: False), confidence: 1, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1SNF5XJQ0205C
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)