Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.13038034681
Darker point darker score: -0.123876066361
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 1, worker: A1H30MGYWO1MWS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AO2JIXLS5MIC5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2MBCZMW1IBAK
darker: 2 (eq: False, dd: True), confidence: 1, worker: A18ZNSHNYROUC0
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A168LFJNV9DSTS
darker: E (eq: True, dd: None), confidence: 1, worker: A3P9BBIGUZ53BX (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)