#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,a[10][10];
    cin>>n;
    for(int i=0;i<n;i++){
    	for(int j=0;j<n;j++){
    		if(i+j==n-1){
    			cout<<setw(3)<<1;
    		}else{
    			cout<<setw(3)<<0;
    		}
    	}
    	cout<<endl;
    }
}
/**************************************************************
	Problem: 1191
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/