#include<bits/stdc++.h>
using namespace std;
int main(){
	int i,a[10][10]={0},h,j;
	cin>>h;
	for(i=0;i<h;i++){
	    a[i][i]=1;
	}
	
	for(i=0;i<h;i++){
		for(j=0;j<h;j++){
			cout<<setw(3)<<a[i][j];
		}
	     cout<<endl;
	}
}

/**************************************************************
	Problem: 1190
	User: jiangyuanfeng
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/