Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.171176058712
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PJC6Y61MM363
darker: E (eq: True, dd: None), confidence: 2, worker: A3V3O547GWAZID
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
(0: guessing, 1: probably, 2: definitely)