Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0918462512633
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A1E9VI5RSZI31F
darker: E (eq: True, dd: None), confidence: 2, worker: A1136V0RZUR5TO
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A32XWNZW2DQ6UZ
(0: guessing, 1: probably, 2: definitely)