ӣţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţƻ  ţţ  ţţ½  ţţ  ţţ  ţţ½  ţţ¼  ţţ  ţţ  ţţƭ  ţţֱ  ţţƭ