Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.00354690850213
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 0, worker: A14BFNH96MJQH
darker: E (eq: True, dd: None), confidence: 1, worker: A2C5CT4Y35F75B
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UIVQJXY62XU8
darker: E (eq: True, dd: None), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)