#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
vector<vector<char>> draw(int n) {
int size = pow(3, n - 1);
vector<vector<char>> grid(size, vector<char>(size, ' '));
}
int main() {
int T;
cin >> T;
while (T--) {
int n;
cin >> n;
vector<vector<char>> result = draw(n);
int size = result.size();
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
cout << result[i][j];
}
cout << endl;
}
cout << "-" << endl;
}
return 0;
}
