#include<bits/stdc++.h>//setw
using namespace std;
int main()
{
	int i,n,t;
	cin>>n;
	for(i=0;i<n;i++){
		for(t=0;t<n;t++){
			if(t==n-i-1){
				cout<<setw(3)<<1;
			}else{
				cout<<setw(3)<<0;
			}
		}
		cout<<endl;
	}
	return 0;
}

/**************************************************************
	Problem: 1191
	User: zzz
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/