#include<bits/stdc++.h>
using namespace std;
int n,i,j,a[20][20],s=1;
int main(){
	cin>>n;
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
			if(i+j==n+1) a[i][j]=1;
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=n;j++){
		   cout<<setw(3)<<a[i][j];
		}
		cout<<endl;
	}

	return 0;
}

/**************************************************************
	Problem: 1191
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2076 kb
****************************************************************/