Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.955030255079
Darker point darker score: 0.0222040891559
darker: 1 (eq: False, dd: True), confidence: 1, worker: A15LPXZLC6NUHT
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2ZVWE8XJDWNAD
darker: 2 (eq: False, dd: False), confidence: 0, worker: AFO6OUDRVZ317
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)