#include<bits/stdc++.h>
using namespace std;
int n,a[15][15],i,j;
int main()
{
	cin>>n;
	for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
           a[i][j]=max(i,n+1-j);
        }
          
    }
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1203
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/