Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03333641835
Darker point darker score: 0.22843176927
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHLVAVDNE9WI0
darker: 1 (eq: False, dd: False), confidence: 1, worker: AMDW925P9IY2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28P3ZGZB3XG9P
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1K3QJM1Q770Y (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JVJ7J2MVGW9S
(0: guessing, 1: probably, 2: definitely)