#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,j;
	cin>>n;
	int a[10][10]={0};
	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: zhenghaoxuan
	Language: C
	Result: Compile Error
****************************************************************/