Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.889533596803
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: APROFW08F7Z34
darker: E (eq: True, dd: None), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 2, worker: A1FP3SH704X01V
darker: 2 (eq: False, dd: False), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
(0: guessing, 1: probably, 2: definitely)