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



return 0;
}

/**************************************************************
	Problem: 1363
	User: wangtianqing
	Language: C++
	Result: Wrong Answer
****************************************************************/