Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0186915094363
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A1XX6ZVVS2UTO7 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 1, worker: ABOEYY9Y0PFRI
darker: E (eq: True, dd: None), confidence: 2, worker: A3593PI95G678K
darker: E (eq: True, dd: None), confidence: 0, worker: A3VO5CW9ZY22MZ
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1XX6ZVVS2UTO7 (marked invalid)
(0: guessing, 1: probably, 2: definitely)