#include<bits/stdc++.h>
using namespace std;
int n,a[105][105],i,j;
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++){
        for(int j=i;j<=n;j++){
            a[i][j]=j-i+1;
        }
    }
    for(i=1;i<=n;i++){   
        for(j=1;j<=n;j++){
            if(a[i][j]==0){
                cout<<setw(5)<<"  ";
            }else{
                cout<<setw(5)<<a[i][j];
                 
            }
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1204
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2116 kb
****************************************************************/