Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.185300380635
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: A4W03J0D0WF9L
darker: E (eq: True, dd: None), confidence: 2, worker: A3FHD8CKWUQK61
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1WVOW92WZG8HP (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3DKW5X4Y1Z6UD
(0: guessing, 1: probably, 2: definitely)