#include <bits/stdc++.h>
using namespace std;
int main(){
    int a[15][15]={0},n,i,j;
    cin>>n;
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
    		if(i>j){
    			a[i][j]=j+1;
    		}else{
    			a[i][j]=i+1;
    		}
    	}
    }
    for(i=0;i<n;i++){
    	for(j=0;j<n;j++){
        	cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1196
	User: huanghengyi
	Language: C++
	Result: Accepted
	Time:14 ms
	Memory:2072 kb
****************************************************************/