Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.08751976532
Darker point darker score: 0.420239741392
darker: 2 (eq: False, dd: True), confidence: 2, worker: ABWVRVG5B5OMX (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: True), confidence: 1, worker: AG5PRN6LLI9E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3799NWTIYKCEV
(0: guessing, 1: probably, 2: definitely)