Gumená redukcia

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