#include<bits/stdc++.h>
using namespace std;
int a[200][200];
int n,c=1;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++){
        c=1;
        for(int j=1;j<=n;j++){
            if(i+j>n){
                a[i][j]=c++;
            }
               
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
                if(a[i][j]==0){
                    cout<<setw(5)<<" ";
                } 
                else{
                    cout<<setw(5)<<a[i][j];
                }
        }
        cout<<endl;
    }
    return 0;
}
/**************************************************************
	Problem: 1206
	User: wangzherongyao
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2228 kb
****************************************************************/