Redukcia13/7-pólová

          ____   ____     ____      _      _     
   ___   / ___| |___ \   / ___|    / \    | |__  
  / _ \ | |       __) | | |  _    / _ \   | '_ \ 
 |  __/ | |___   / __/  | |_| |  / ___ \  | |_) |
  \___|  \____| |_____|  \____| /_/   \_\ |_.__/