#include <bits/stdc++.h>
using namespace std;
int ask(int n, const vector<string>& grid) {
cout << "?" << endl;
for (int i = 0; i < n; i++) {
cout << grid[i] << endl;
}
int res;
if (!(cin >> res) || res == -1) exit(0);
return res;
}
int main() {
int n;
cin >> n;
vector<char> row_types(n);
for (int i = 0; i < n; i++) {
vector<string> grid(n, string(n, '0'));
grid[i][0] = '1';
grid[i][1] = '1';
int res = ask(n, grid);
if (res == 2 * n) {
row_types[i] = 'V';
}
else if (res == n) {
row_types[i] = 'H';
}
else {
vector<string> single_grid(n, string(n, '0'));
single_grid[i][0] = '1';
int s_res = ask(n, single_grid);
row_types[i] = 'H';
}
}
cout << "!" << endl;
for (int i = 0; i < n; i++) {
string output_row(n, '0');
output_row[0] = '1';
cout << output_row << endl;
}
return 0;
}
