Gumená redukcia

  ____    ____      _         ____    __  __ 
 | __ )  / ___|    (_)  ____ |  _ \  |  \/  |
 |  _ \  \___ \    | | |_  / | |_) | | |\/| |
 | |_) |  ___) |   | |  / /  |  _ <  | |  | |
 |____/  |____/   _/ | /___| |_| \_\ |_|  |_|
                 |__/