#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j,a[15][15]; 
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=1;j<=i;j++){
			a[i][j]=j;
		}
	    for(j=i;j<=n;j++){
	    	a[i][j]=i;
	    }
    }
    for(i=1;i<=n;i++){
    	for(j=1;j<=n;j++){
    		cout<<setw(3)<<a[i][j];
    	}
    	cout<<endl;
    }
}
/**************************************************************
	Problem: 1196
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/