#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;
}
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