ӣţţ  ţţֱ  ţţ  ţţ  ţţ½  ţţ  ţţ½  ţţ  ţţƻ  ţţ  ţţע  ţţ  ţţô  ţţ¼  ţţ½  ţţ  ţţ½  ţţ  ţţ  ţţ¼