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


/**************************************************************
	Problem: 1190
	User: huxuanchen
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/