ӣţţô  ţţ  ţţ  ţţƭ  ţţ  ţţ淨  ţţ  ţţ½  ţţ¼  ţţƭ  ţţ  ţţֱ  ţţ  ţţ½  ţţô  ţţ  ţţ淨  ţţע  ţţ  ţţ