#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;
int main() {
int n;
cin >> n;
auto query = [&](const vector<string> &out) {
cout << "?" << endl;
for (auto &i : out) {
cout << i << endl;
}
int x;
cin >> x;
return x;
};
auto is_same_as = [&](int i1, int j1, int i2, int j2) {
vector<string> out(n, string(n, '0'));
out[i1][j1] = out[i2][j2] = '1';
return query(out) % n == 0;
};
auto run_bs = [&](char c) {
vector<string> grid(n, string(n, c));
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
if (i == 0 && j == 0) {
continue;
}
if (!is_same_as(0, 0, i, j)) {
grid[i][j] = c == 'V' ? 'H' : 'V';
}
}
}
vector dp(n + 1, vector<int>(n + 1, inf));
for (int i = n; i >= 0; --i) {
for (int j = n; j >= 0; --j) {
if (i == n || j == n) {
dp[i][j] = 0;
continue;
}
for (int jj = j; jj < n; ++jj) { // choose horizontal to our right
if (grid[i][jj] == 'H') {
dp[i][j] = min(dp[i][j], dp[i + 1][j] + 1);
}
}
for (int ii = i; ii < n; ++ii) {
if (grid[ii][j] == 'V') {
dp[i][j] = min(dp[i][j], dp[i][j + 1] + 1);
}
}
}
}
vector<string> out(n, string(n, '0'));
int i = 0, j = 0;
while (i < n && j < n) {
bool found = false;
for (int jj = j; jj < n && !found; ++jj) {
if (grid[i][jj] == 'H' && dp[i][j] == dp[i + 1][j] + 1) {
out[i][jj] = '1';
i++, found = true;
}
}
for (int ii = i; ii < n && !found; ++ii) {
if (grid[ii][j] == 'V' && dp[i][j] == dp[i][j + 1] + 1) {
out[ii][j] = '1';
j++, found = true;
}
}
}
return out;
};
string s = "VH";
random_device rd;
if (rd() & 1) {
swap(s[0], s[1]);
}
for (char &i : s) {
auto out = run_bs(i);
if (query(out) == n * n) {
cout << "!" << endl;
for (auto &i : out) {
cout << i << endl;
}
return 0;
}
}
}
