Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0468335447582
Darker point darker score: -0.000286160695441
darker: 1 (eq: False, dd: False), confidence: 1, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 0, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3ICG6AUFB4AT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FB1E807EN22S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2LVDFUMN11HAS (marked invalid)
(0: guessing, 1: probably, 2: definitely)