#include <bits/stdc++.h>

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;

std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());

constexpr bool debug = true;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int N;
    std::cin >> N;
    
    std::vector<std::string> lights(N);
    if (debug) {
        for (int i = 0; i < N; i++) {
            std::cin >> lights[i];
        }
    }
    
    std::vector<std::array<int, 3>> determined;
    std::vector<std::array<int, 2>> candidates;
    std::vector<int> possible {0};
    
    int cnt[2] {};
    
    std::vector lit(N, std::vector<bool>(N));
    
    std::vector type(N, std::vector<int>(N, -1));
    std::vector candId(N, std::vector<int>(N, -1));
    
    auto calc = [&](const std::vector<std::array<int, 2>> &q, int s) -> int {
        std::vector<bool> row(N), col(N);
        for (auto [x, y] : q) {
            if (type[x][y] != -1) {
                if (type[x][y] == 0) {
                    row[x] = true;
                } else {
                    col[y] = true;
                }
            } else {
                if (s >> candId[x][y] & 1) {
                    col[y] = true;
                } else {
                    row[x] = true;
                }
            }
        }
        return N * N - std::count(row.begin(), row.end(), false) * std::count(col.begin(), col.end(), false);
    };
    
    while (cnt[0] < N && cnt[1] < N) {
        if (debug) {
            std::cerr << "candidates : " << candidates.size() << ", possibilities : " << possible.size() << "\n";
            for (auto [x, y] : candidates) {
                std::cerr << "(" << x << ", " << y << ") ";
            }
            std::cerr << "\n";
            for (auto s : possible) {
                for (int i = 0; i < candidates.size(); i++) {
                    std::cerr << (s >> i & 1);
                }
                std::cerr << " ";
            }
            std::cerr << "\n";
        }
        while (possible.size() <= 512) {
            std::array<int, 2> add {-1, -1};
            for (int i = 0; i < N; i++) {
                for (int j = 0; j < N; j++) {
                    if (!lit[i][j] && candId[i][j] == -1) {
                        add = {i, j};
                    }
                }
            }
            if (add[0] == -1) {
                break;
            }
            for (int i = possible.size() - 1; i >= 0; i--) {
                possible.push_back(possible[i] | 1 << candidates.size());
            }
            candId[add[0]][add[1]] = candidates.size();
            candidates.push_back(add);
        }
        
        std::vector<std::array<int, 2>> query;
        int E = 1E9;
        for (int t = 0; t < 512; t++) {
            std::vector<std::array<int, 2>> q;
            for (auto [a, b, c] : determined) {
                if (rng() % 2) {
                    q.push_back({a, b});
                }
            }
            for (auto [a, b] : candidates) {
                if (rng() % 2) {
                    q.push_back({a, b});
                }
            }
            std::map<int, int> freq;
            for (auto s : possible) {
                freq[calc(q, s)]++;
            }
            int ent = 0;
            for (auto [_, c] : freq) {
                ent += c * c;
            }
            if (ent < E) {
                E = ent;
                query = q;
            }
        }
        
        std::cout << "?\n";
        
        std::vector choose(N, std::vector<bool>(N));
        for (auto [a, b] : query) {
            choose[a][b] = true;
        }
        
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < N; j++) {
                std::cout << choose[i][j];
            }
            std::cout << "\n";
        }
        std::cout.flush();
        
        int result;
        if (debug) {
            std::vector<bool> row(N), col(N);
            for (auto [x, y] : query) {
                if (lights[x][y] == 'H') {
                    row[x] = true;
                } else {
                    col[y] = true;
                }
            }
            result = N * N - std::count(row.begin(), row.end(), false) * std::count(col.begin(), col.end(), false);
            std::cerr << result << "\n";
        } else {
            std::cin >> result;
        }
        
        {
            std::vector<int> newPossible;
            for (auto s : possible) {
                if (debug) {
                    std::cerr << s << " expected : " << calc(query, s) << "\n";
                }
                if (calc(query, s) == result) {
                    newPossible.push_back(s);
                }
            }
            possible = std::move(newPossible);
        }
        
        int maybe[2] {};
        for (auto s : possible) {
            maybe[0] |= ((1 << candidates.size()) - 1) ^ s;
            maybe[1] |= s;
        }
        
        std::vector<std::array<int, 2>> newCand;
        for (int i = 0; i < candidates.size(); i++) {
            auto [x, y] = candidates[i];
            if ((maybe[0] ^ maybe[1]) >> i & 1) {
                if (!lit[x][y]) {
                    int t = maybe[0] >> i & 1 ? 0 : 1;
                    cnt[t]++;
                    if (t == 0) {
                        for (int j = 0; j < N; j++) {
                            lit[x][j] = true;
                        }
                    } else {
                        for (int j = 0; j < N; j++) {
                            lit[j][y] = true;
                        }
                    }
                    determined.push_back({x, y, t});
                }
                candId[x][y] = -1;
            } else {
                candId[x][y] = newCand.size();
                newCand.push_back({x, y});
            }
        }
        
        for (auto &s : possible) {
            int ns = 0;
            for (int i = 0; i < candidates.size(); i++) {
                if (s >> i & 1) {
                    auto [x, y] = candidates[i];
                    if (candId[x][y] != -1) {
                        ns |= 1 << candId[x][y];
                    }
                }
            }
            s = ns;
        }
        
        std::sort(possible.begin(), possible.end());
        possible.erase(std::unique(possible.begin(), possible.end()), possible.end());
        candidates = std::move(newCand);
    }
    
    int t = cnt[0] == N ? 0 : 1;
    std::cout << "!\n";
    
    std::vector choose(N, std::vector<bool>(N));
    for (auto [a, b, c] : determined) {
        if (c == t) {
            choose[a][b] = true;
        }
    }
    
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            std::cout << choose[i][j];
        }
        std::cout << "\n";
    }
    std::cout.flush();
    
    return 0;
}