ӣţţ  ţţ  ţţô  ţţͼ  ţţע  ţţ¼  ţţ  ţţֱ  ţţ  ţţ  ţţ淨  ţţ  ţţ½  ţţ  ţţ  ţţֱ  ţţ¼  ţţ½  ţţ½  ţţ