#include <fstream>
using namespace std;
ifstream cin("submultimi.in");
ofstream cout("submultimi.out");
int n;
int main()
{
    int i,j,ct,nr;
    cin>>n;
    ///i=inceput
    ///j=capat
    ///ct=contor
    for (i=1;i<=n;i++)
     {for (j=1;j<=n;j++)
       {for (ct=i;ct<=j;ct++)
           cout<<ct<<" ";
        cout<<"\n";
       }
      cout<<"\n";
     }
    cin.close();
    cout.close();
    return 0;
}