ӣţţֱ  ţţ淨  ţţע  ţţ  ţţ  ţţ  ţţ  ţţֱ  ţţ  ţţ¼  ţţ½  ţţ  ţţ  ţţ淨  ţţ½  ţţͼ  ţţ  ţţ  ţţͼ  ţţ½