#include<iostream>
using namespace std;

int main(){

  int n;
  cin>>n;

  int i = 1;
  while(i<=n){

     int count = 1;
     while(count<=n-i){
        cout<<" ";
        count++;
     }


     int j = 1;
     int value = 1;
     while(j<=2*i-1){
        cout<<value;
        value++;
        j++;
     }

     cout<<endl;

    i++;
  }


}