Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.00840953499678
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TPYQRWF3QML7
darker: E (eq: True, dd: None), confidence: 2, worker: A3B0AB2C9SIHN
darker: 2 (eq: False, dd: True), confidence: 0, worker: ADLMB6OF3ADTP
darker: 2 (eq: False, dd: True), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A360B58589TBUS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3799NWTIYKCEV
(0: guessing, 1: probably, 2: definitely)