Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.256393212758
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 0, worker: A29PBDDLQLP90O
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2631BM7J7H37K
darker: 2 (eq: False, dd: True), confidence: 1, worker: AVJP26EXKPSE1
darker: E (eq: True, dd: None), confidence: 2, worker: A1CEPAN1MLYHSO
darker: E (eq: True, dd: None), confidence: 2, worker: A1F4MP6YOIC1IV
darker: 1 (eq: False, dd: False), confidence: 2, worker: AYLD14EI9Q925
(0: guessing, 1: probably, 2: definitely)