Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.90958481369
Darker point darker score: 0.191646628977
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AY2CT54659MP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3GTIIFSMHAKRZ
(0: guessing, 1: probably, 2: definitely)