#include <iostream>
using namespace std;
int main() {
  int n;
  cin>>n;
  for(int i=1; i<= n;i++)
  {
    for(int j=1;j<=n-(i-1);j++)
    {
      cout<<j<<" ";
    }
    cout<<endl;
  }
  cout<<endl;
 for(int i=1; i<= n;i++)
  {
    for(int j=1;j<=i;j++)
    {
      cout<<j<<" ";
    }
    cout<<endl;
  }

}