#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j;
    cin>>n;
    int a[n][n];
    for(i=0;i<=n;i++){
        for(j=i;j<n;j++){
            a[i][j]=n-j+i;  
        }
    }
    for(i=1;i<n;i++){
        for(j=0;j<=i;j++){
            a[i][j]=n-i+j;  
        }   
    }
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
    return 0;
    }
 
/**************************************************************
	Problem: 1195
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/