ӣţţ  ţţͼ  ţţ½  ţţע  ţţ½  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţƭ  ţţע  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ