Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0528539829741
Darker point darker score: -0.891938599609
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2TP6GDF71HM4M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1QIZATKBF64SO
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1O61JHO0LUZRI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 1, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
(0: guessing, 1: probably, 2: definitely)