Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.880122257628
Darker point darker score: 0.138804710601
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2YUBS32Z1NI59
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: False), confidence: 2, worker: AF8M0GI3M45B8
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AZX5II1VFIK4R
(0: guessing, 1: probably, 2: definitely)