#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,i,j,a[15][15]={0}; 
    cin>>n;
    for(i=1;i<=n;i++){
    	for(j=1;j<=n+1-i;j++){
    		a[i][j]=n+1-i;
    	}
    	for(j=i;j<=n;j++){
    		a[j][n+1-i]=n+1-i;
    	}
    	
    }
    for(i=1;i<=n;i++){
    	for(j=1;j<=n;j++){
    		cout<<setw(3)<<a[i][j];
    	}
    	cout<<endl;
    }
}


/**************************************************************
	Problem: 1202
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/