#include<bits/stdc++.h>
using namespace std;
int n,i,j,a[12][12];
int main(){
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(i>=j){
                a[i][j]=n-i+j;
            }
            else{
                a[i][j]=n+i-j;
            }
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
} 
/**************************************************************
	Problem: 1195
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/