Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0545420580601
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A2FQSVTAOL5GUC
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1D2E3QRL7O43T
darker: 1 (eq: False, dd: True), confidence: 1, worker: ADUVMN6NQUS3M
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 1, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)