Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.218488531384
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2YM7PJ6OSMSR9
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3I4NM85R4LN97
darker: E (eq: True, dd: None), confidence: 2, worker: A3AED9FZNMIZPI (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A1JXSZBH58QL8O
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3AED9FZNMIZPI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3NBD6P0INJB4G
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)