ӣţţƻ  ţţ  ţţֱ  ţţ  ţţƽ̨  ţţע  ţţ½  ţţô  ţţ  ţţ  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţ½  ţţ  ţţ  ţţ