#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

#define len(a) int((a).size())
#define all(a) begin(a), end(a)
#define rep(i, n) for (int i = 0; i < (n); i++)

const int SZ = 60;
string grid[SZ];
int dd[SZ][SZ], t = 1, used[SZ][SZ], type[SZ][SZ];
pair<int, int> mt[SZ][SZ];
vector<pair<int, int>> dir = { {2, 0}, {-2, 0}, {0, 2}, {0, -2} };
vector<pair<int, int>> gr[SZ][SZ];

bool khun(int i, int j) {
    if (used[i][j] == t) return false;
    used[i][j] = t;

    for (auto to : gr[i][j]) {
        if (mt[to.first][to.second].first == -1 || khun(mt[to.first][to.second].first, mt[to.first][to.second].second)) {
            mt[to.first][to.second] = { i, j };
            return true;
        }
    }
    return false;
}

signed main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int n, m;
    cin >> n >> m;
    n = 2 * n - 1;
    m = 2 * m - 1;
    for (int i = 0; i < n; ++i) cin >> grid[i];

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) {
            if (grid[i][j] == '.') grid[i][j] = '#';
        }
    }

    for (int i = 0; i < n; i += 2) {
        for (int j = 0; j < m; j += 2) {
            mt[i][j] = { -1, -1 };
            int adj = 8;
            int c = 0;
            if (i == 0 || i == n - 1) ++c;
            if (j == 0 || j == m - 1) ++c;

            if (c == 1) adj = 5;
            if (c == 2) adj = 3;

            type[i][j] = adj;

            if ((grid[i][j] - '0') == adj) {
                dd[i][j] = 0;
            } else {
                dd[i][j] = 1;
            }
        }
    }

    for (int i = 0; i < n; i += 2) {
        for (int j = 0; j < m; j += 2) {
            if (dd[i][j] && (i / 2 + j / 2) % 2 == 0) {
                for (auto v : dir) {
                    pair<int, int> to = { i + v.first, j + v.second };
                    if (to.first >= 0 && to.second >= 0 && to.first < n && to.second < n) {
                        bool f1 = (type[i][j] == 5 && type[to.first][to.second] == 8);
                        bool f2 = (type[i][j] == 8 && type[to.first][to.second] == 5);
                        if (dd[to.first][to.second]) {
                            if (!f1 && !f2) {
                                gr[i][j].push_back(to);
                            }
                        }
                    }
                }
            }
        }
    }

    int mtch = 0;
    for (int i = 0; i < n; i += 2) {
        for (int j = 0; j < m; j += 2) {
            mtch -= dd[i][j];
            if (dd[i][j] && (i / 2 + j / 2) % 2 == 0) {
                ++t;
                mtch += 2 * khun(i, j);
            }
        }
    }

    if (mtch != 0) {
        cout << "NO\n";
        return 0;
    } else {
        cout << "YES\n";
    }

    for (int i = 0; i < n; i += 2) {
        for (int j = 0; j < m; j += 2) {
            if (dd[i][j] && (i / 2 + j / 2) % 2 != 0) {
                pair<int, int> chng = { i + mt[i][j].first, j + mt[i][j].second };
                assert(chng.first % 2 == 0 && chng.second % 2 == 0);
                chng.first /= 2;
                chng.second /= 2;
                grid[chng.first][chng.second] = '.';
            }
        }
    }

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < m; ++j) cout << grid[i][j];
        cout << "\n";
    }

    return 0;
}