var res:string; i:byte; osX,osY,prX,prY:integer; begin res:=''; osX:=round(intpower(2,GetZ-1)) div 2; osY:=round(intpower(2,GetZ-1)) div 2; prX:=osX; prY:=osY; for i:=2 to GetZ do begin prX:=prX div 2; prY:=prY div 2; if GetX