Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.301302326876
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: ANVXAMUEBGV8N
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3799NWTIYKCEV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A3I4NM85R4LN97
darker: E (eq: True, dd: None), confidence: 2, worker: A1NZVXB0S8DR04
(0: guessing, 1: probably, 2: definitely)