#include<bits/stdc++.h>
using namespace std;
int main(){
  int i,j,n;
  int a[10][10];
  cin>>n;
  for(i=0;i<n;i++)
    for(j=0;j<n-i;j++) a[i][j]=j+1;
  for(i=1;i<n;i++)
    for(j=n-i;j<n;j++) a[i][j]=n-i;  
    for(i=0;i<n;i++){
    for(j=0;j<n;j++) cout<<setw(3)<<a[i][j];
    cout<<endl;
    }
  
return 0;
}
/**************************************************************
	Problem: 1201
	User: linmiaoling
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/