ӣţţ  ţţƭ  ţţƭ  ţţ  ţţ  ţţ淨  ţţ  ţţ½  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţͼ  ţţ  ţţ  ţţ  ţţƽ̨  ţţ淨  ţţƭ  ţţƭ  ţţ  ţţ  ţţ淨