#include <iostream.h>
#include <conio.h>

int cNum (int k)
{
 int val =1;
 while( k/10 > 0 )
 {
  k /=10;
  val ++;
 }
 return val;
}
int cNumCount (int k)
{
 int val = 0;
 for( int i=k; i>0 && cNum(i)== cNum(k); i--)
   val ++;
 return val;
}
int main()
{
 int n, c, b, j;
 cout<<"\n add ro vared konid... ";
 cin>>n;
 cout<<"\n\n";
 c = n*2;
 b = 1;
 for(int i=0;i<n;i++){
   cout<<"\n";
   for(j=0;j<c-i-cNumCount(b)*(cNum(i)-1);j++)
    cout<<" ";
   for( j=1;j<=b;j++)
    cout<<j;
   for( j=1;j<i+cNum(i);j++)
    cout<<j;
   b+=1;
 }
 getch();
 
 return 0;
}