ӣţţֱ  ţţ  ţţ  ţţͼ  ţţ  ţţ  ţţ  ţţ  ţţ¼  ţţƭ  ţţ  ţţ  ţţ  ţţ½  ţţ½  ţţ  ţţע  ţţô  ţţƭ  ţţ