original: The third digit designates the government district (in areas without government districts a zero is used instead).
simplifications: The third digit shows the government district and shows a zero in districts without government. The third number is for the government district. The third number is for the government district. A zero is means the area doesn't have a government. The third digit refers to the government district. In areas without government districts, a zero is used instead. The third digit shows the government district. In areas without government districts a zero is used. The third digit designates the government district if there is no government, then it's a zero. The third digit represents the government district. The third digit is used to tell the government district. Area without government districts use a zero instead. The third digit suggests the district of the government (in areas with out the districts of the government a zero was used instead). The third digit marks the government district (in areas without government districts a zero is used instead).