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Figure 2 A) division accounting linguistic macro-areas. Key of the colors: red: Campidanese; green: Alghero; deep blue: Gallurese; light blue: Logudorese; yellow: Sassarese; purple: Nuorese. Figure 2 B) division accounting geographical areas. Key of the colors: green: Southern Sardinia; grey: Central Sardinia; yellow: Northern Sardinia.
