#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j,a[15][15]={0};
    cin>>n;
    for(j=1;j<=n;j++){
        for(i=1;i<=n;i++){
            a[i][j]=min(i,j); 
        }
    }
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            cout<<setw(3)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1197
	User: yangjunwen
	Language: C++
	Result: Wrong Answer
****************************************************************/