#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a[100][100],n,i,j,t=1;
    cin>>n;
    for(i=0;i<n;i++){
        for(j=i;j<n;j++){
            a[i][j]=0;
        }
    }
    for(i=0;i<n;i++){
        for(j=i;j<n;j++){
            a[i][j]=t;
            t++;
        }
        t=1;
    }
    for(i=n-1;i>=0;i--){
        for(j=0;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: linmiaoling
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/