#include <iostream>
#include <vector>

size_t parse_num() {
    size_t rows = 0;
    std::cin >> rows;

    size_t previous = 0;
    size_t num = 1;

    getchar();

    for (size_t row = 0; row < rows; row++) {
        size_t counter = 0;

        while (true) {
            char c = getchar();
            if (c == '#') {
                if (row == 0) {}
                else if (counter < previous) {
                    num = num * 2 + 1;
                } else {
                    num *= 2;
                }

                previous = counter;                
            } else if (c == '.') {
                counter += 1;
            }

            if (isspace(c) || c == EOF)
                break;
        }
        
    }

    return num;
}

void print_line(size_t pos, size_t width) {
    for (size_t i = 0; i < width; i++) {
        if (pos == i)
            std::cout << '#';
        else
            std::cout << '.';
    }
    std::cout << std::endl;
}

void print_num(size_t number) {
    long min, max, current = 0;
    min = 0;
    max = 0;

    std::vector<char> moves;
    while (number != 1) {
        if (number % 2 == 0) {
            current--;
            min = std::min(current, min);
            moves.push_back('r');
        } else {
            current++;
            max = std::max(current, max);
            moves.push_back('l');
        }
        number /= 2;
    }

    long width = max - min + 1;
    current = current - min;

    std::cout << moves.size() + 1 << std::endl;
    print_line(current, width);

    for (auto iter = moves.rbegin(); iter != moves.rend(); ++iter) {

        if (*iter == 'r') {
            current += 1;
        } else {
            current -= 1;
        }
        print_line(current, width);
    }
}

int main() {
    size_t num = parse_num();
    size_t num2 = parse_num();

    print_num(num + num2);
}