#include <iostream>
using namespace std;

int main() {
    
    int N;
    cin >> N;
    
    for(int i=0; i< N; i++){
    
    
    cout << " @@@   @@@ \n";
    cout << "@   @ @   @\n";
    cout << "@    @    @\n";
    cout << "@         @\n";
    cout << " @       @\n";
    cout << "  @     @\n";
    cout << "   @   @\n";
    cout << "    @ @ \n";
    cout << "     @ \n";
}
    return 0;
}