Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0855355297214
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 0, worker: A60085NFAM25W
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PX16PNFHQ5OK
darker: 1 (eq: False, dd: True), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3PF1VER45OVPM
darker: E (eq: True, dd: None), confidence: 1, worker: A3JLJXKUPJX3J2
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)