Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.35095279908
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1P2EVJXWYR94M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q2HC4T5MHY93
darker: E (eq: True, dd: None), confidence: 0, worker: A1DU0G52OTCO5K
darker: E (eq: True, dd: None), confidence: 2, worker: AQAKW9NW6Z61T
darker: E (eq: True, dd: None), confidence: 2, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
darker: E (eq: True, dd: None), confidence: 2, worker: A1GY0P2ZEJ1RK7
(0: guessing, 1: probably, 2: definitely)