sieve.png

  ______ ______ _______ __  __ ______
 |  ____|  ____|__   __|  \/  |___  /
 | |__  | |__     | |  | \  / |  / / 
 |  __| |  __|    | |  | |\/| | / /  
 | |    | |____   | |  | |  | |/ /__ 
 |_|    |______|  |_|  |_|  |_/_____|