THIRTEENTHFLOOR
Thirteenth floor
The thirteenth floor is a designation of a level of a multi-level building that is often omitted in countries where the number is considered unlucky. Omitting the 13th floor may take a variety of forms; the most common include denoting what would otherwise be considered the thirteenth floor as level 14, giving the thirteenth floor an alternate designation such as "12A" or "M", or closing the 13th floor to public occupancy or access .The above text is a snippet from Wikipedia: Thirteenth floor
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