ӣţţֱ  ţţƭ  ţţ  ţţ  ţţƭ  ţţ  ţţ  ţţ  ţţ  ţţô  ţţ  ţţ  ţţֱ  ţţֱ  ţţ  ţţ  ţţ  ţţ½  ţţ  ţţƻ