ӣţţ½  ţţ  ţţ  ţţ  ţţ淨  ţţ  ţţ¼  ţţ½  ţţ  ţţ  ţţͼ  ţţ淨  ţţ  ţţע  ţţ  ţţ淨  ţţ  ţţ  ţţƽ̨  ţţ