#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;

#define sz(x) ((ll)(x).size())
#define all(x) begin(x), end(x)
#define rep(i, a, b)  for(int i = a; i < (b); ++i)

ll to_num() {
    int n;
    cin >> n >> ws;

    string line;
    ll num = 1;
    ll prev_idx = -1;
    ll current_idx = -1;
    for (int i = 0; i < n; ++i) {
        getline(cin, line);
        for (ll h = 0; h < sz(line); ++h) {
            if (line.at(h) == '#') {
                current_idx = h;
                break;
            }
        }
        if (i != 0) {
            if (current_idx - prev_idx > 0) {
                num *= 2;
            } else {
                num *= 2;
                num += 1;
            }
        }

        prev_idx = current_idx;
    }
    return num;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin.exceptions(ios::failbit);

    ll lhs = to_num();
    ll rhs = to_num();
    ll result = lhs + rhs;

    ll shifted = result;
    ll bit_idx = 0;
    for (; bit_idx < 64; ++bit_idx) {
        unsigned long long mask = 0b1000000000000000000000000000000000000000000000000000000000000000;
        if (shifted & mask) break;
        shifted <<= 1;
    }
    ll bit_width = 64 - bit_idx;
    ll orig_shifted = shifted;
    shifted <<= 1;

    ll pos = 0;
    ll min_pos = 0;
    ll max_pos = 0;
    for (; bit_idx < 63; ++bit_idx) {
        unsigned long long mask = 0b1000000000000000000000000000000000000000000000000000000000000000;
        if (shifted & mask) {
            --pos;
        } else {
            ++pos;
        }

        max_pos = max(max_pos, pos);
        min_pos = min(min_pos, pos);
        shifted <<= 1;
    }

    pos = -min_pos;
    ll width = max_pos - min_pos + 1;
    shifted = orig_shifted;
    cout << bit_width << '\n';
    for (ll row = 0; row < bit_width; ++row) {
        unsigned long long mask = 0b1000000000000000000000000000000000000000000000000000000000000000;
        for (ll i = 0; i < pos; ++i) cout << '.';
        cout << "#";
        for (ll i = pos + 1; i < width; ++i) cout << '.';
        cout << '\n';


        shifted <<= 1;

        if (shifted & mask) {
            --pos;
        } else {
            ++pos;
        }

    }
}