Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.925338796441
Darker point darker score: 0.00828762257463
darker: 2 (eq: False, dd: True), confidence: 0, worker: AH8FQGOADPCST (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJZ5T6FTYGEOW
darker: 1 (eq: False, dd: False), confidence: 2, worker: A37Q1701BQI3TI
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AF8M0GI3M45B8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: False), confidence: 0, worker: ADPVKKFJ886DJ
(0: guessing, 1: probably, 2: definitely)