ӣţţ½  ţţ½  ţţƭ  ţţֱ  ţţô  ţţ  ţţע  ţţ  ţţ  ţţ  ţţ  ţţ  ţţֱ  ţţƻ  ţţô  ţţ  ţţ  ţţע  ţţע  ţţ