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

/**************************************************************
	Problem: 1422
	User: huanglingkai
	Language: C++
	Result: Wrong Answer
****************************************************************/