#include <bits/stdc++.h>
using namespace std;
char board[2500][2500];
void star(int x,int y,int n) {
if(n==1) {
board[x][y]='*';
return;
}
for(int i=0; i<3; i++) {
for(int j=0; j<3; j++) {
if(i==1 && j==1) continue;
star(x+i*n/3,y+j*n/3,n/3);
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
for(int i=0; i<n; i++) fill(board[i],board[i]+n,' ');
star(0,0,n);
for(int i=0; i<n; i++) {
cout << board[i] << '\n';
}
return 0;
}
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