Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0548041537077
Darker point darker score: -0.0365245547153
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3SOJXAUQE15S3
darker: E (eq: True, dd: None), confidence: 0, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QW1C79IH4GOG
darker: E (eq: True, dd: None), confidence: 0, worker: A32XWNZW2DQ6UZ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
(0: guessing, 1: probably, 2: definitely)