ӣţţ  ţţ淨  ţţ  ţţ  ţţ  ţţƽ̨  ţţ  ţţ淨  ţţƭ  ţţע  ţţע  ţţ½  ţţ  ţţע  ţţ淨  ţţֱ  ţţƻ  ţţͼ  ţţ½  ţţƻ