ӣţţͼ  ţţע  ţţע  ţţ  ţţ  ţţֱ  ţţ  ţţ  ţţ  ţţƭ  ţţ  ţţֱ  ţţ  ţţע  ţţע  ţţ½  ţţ  ţţ¼  ţţ  ţţ