Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.567461836854
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: E (eq: True, dd: None), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1Y5DMCQYLVL74
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q27LZW3VNDIP
darker: 1 (eq: False, dd: False), confidence: 2, worker: A5R9TAN5DI19I (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: A3I4NM85R4LN97
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 2, worker: A2C5CT4Y35F75B
(0: guessing, 1: probably, 2: definitely)