ӣţţ½  ţţ  ţţô  ţţ½  ţţֱ  ţţע  ţţ¼  ţţ  ţţ  ţţ¼  ţţ  ţţͼ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ