#include<bits/stdc++.h>
using namespace std;
int n,a[1900][900] ;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			if(i<=j) a[i][j]=n-i+1;
			else a[i][j]=n-j+1;
			
		}
		
	}
		for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
			cout<<endl;
	
	}

	return 0;
}


/**************************************************************
	Problem: 1198
	User: chenxuanyi
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:8752 kb
****************************************************************/