#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,a[99][99];
    cin>>n;
    for(int i=1;i<=n;i++){
        int 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;
    }
}
/**************************************************************
	Problem: 1206
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/