Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.131567780444
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HFS9E2FHNXDR
darker: E (eq: True, dd: None), confidence: 2, worker: AL4ULHASETN9O
darker: E (eq: True, dd: None), confidence: 1, worker: AAS7N38GYAVF8
darker: E (eq: True, dd: None), confidence: 2, worker: A1TIL0S71V1JA0
darker: E (eq: True, dd: None), confidence: 2, worker: A92IZM4P9SJ2S
darker: E (eq: True, dd: None), confidence: 2, worker: A3UIVQJXY62XU8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)