#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    int a[100][100]={0};
    cin>>n;
    for(i=n-1;i>=0;i--){
    	for(j=n-1;j>=0;j--){
  			if(i<j) a[i][j]=n-i;
  			else a[i][j]=n-j;
  		}
  	}
  	for(i=0;i<n;i++){
  		for(j=0;j<n;j++){
  			cout<<setw(3)<<a[i][j];
		} 
  		cout<<endl;
	}
 
return 0;
}
/**************************************************************
	Problem: 1198
	User: linzihang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/