#include<bits/stdc++.h>
using namespace std;
int n,a[20][20];
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
	        if(i+j==n+i) a[i][j]=1;
	        else a[i][j]=0;
        }	
    }
    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: 1191
	User: huangluowei
	Language: C++
	Result: Wrong Answer
****************************************************************/