Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.139638632943
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TKGFJSMVR2RP
darker: E (eq: True, dd: None), confidence: 2, worker: A3LSDO3YPF1SFT
darker: E (eq: True, dd: None), confidence: 2, worker: A1FP3SH704X01V
darker: E (eq: True, dd: None), confidence: 0, worker: A2H4ON6BUHMY1L (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AVJP26EXKPSE1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)