Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.914623340208
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMYTF6MZS1FIF (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1I4YHF7RG58DV
darker: E (eq: True, dd: None), confidence: 2, worker: AGDDGSV1IQ0Z4
darker: E (eq: True, dd: None), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: AE808DQDYM9F
(0: guessing, 1: probably, 2: definitely)