#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    int a[105][105]={0};
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(i==0){
                a[j][j]=i+1;
            }
            else {
                a[j][j+i]=i+1;
            }
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(a[i][j]==0){
                cout<<setw(5)<<" ";
            }
            else if(a[i][j]!=0)
                cout<<setw(5)<<a[i][j];
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1204
	User: luyanchen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/