Redukcia13/7-pólová

  _____          ____           ____    _____
 |__  /   __ _  |  _ \   _ __  | __ )  |__  /
   / /   / _` | | |_) | | '__| |  _ \    / / 
  / /_  | (_| | |  _ <  | |    | |_) |  / /_ 
 /____|  \__, | |_| \_\ |_|    |____/  /____|
         |___/