#include<bits/stdc++.h>
using namespace std;
int main(){
	int a[15][15]={0},i,j,n;
	cin>>n;
	for(i=1;i<=n;i++){
		a[i][i]=1;
	} 
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}
}
/**************************************************************
	Problem: 1190
	User: linzihang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/