#include <iostream>
#include <vector>
#include <map>
// #include <set>
#include <algorithm>

typedef struct move
{
    char row_col;
    int number;
    char color;
} move;

static std::vector<std::map<char, int>> row_stats;
static std::vector<std::map<char, int>> col_stats;
// static std::vector<std::vector<char>> data;
static char data[2000][2000];
static std::vector<move> res;
static std::vector<int> rows_todo;
static std::vector<int> cols_todo;
static std::vector<int> rows_chk;
static std::vector<int> cols_chk;

static int rows, cols;

void print_stats()
{
    std::cout << "### ROWS ###" << std::endl;
    for (int r = 0; r < rows; r++)
    {
        std::cout << r << " : ";
        for (auto &[k, v] : row_stats[r])
            std::cout << k << "->" << v << "; ";
        std::cout << std::endl;
    }
    std::cout << "### COLS ###" << std::endl;
    for (int c = 0; c < cols; c++)
    {
        std::cout << c << " : ";
        for (auto &[k, v] : col_stats[c])
            std::cout << k << "->" << v << "; ";
        std::cout << std::endl;
    }
    std::cout << "---" << std::endl;
}

void print_board()
{
    for (auto &row : data)
    {
        for (auto &ch : row)
        {
            std::cout << ch;
        }
        std::cout << std::endl;
    }
    std::cout << "---" << std::endl;
}

void print_chk()
{
    for (auto &chk : rows_chk)
        std::cout << chk << "; ";
    std::cout << std::endl;
    for (auto &chk : cols_chk)
        std::cout << chk << "; ";
    std::cout << std::endl
              << "---" << std::endl;
}

void print(std::vector<move> data)
{
    std::cout << data.size() << '\n';
    for (auto &row : data)
    {
        std::cout << row.row_col << ' ' << row.number + 1 << ' ' << row.color << '\n';
    }
}

void print_todo()
{
    for (auto &chk : rows_todo)
        std::cout << chk << "; ";
    std::cout << std::endl;
    for (auto &chk : cols_todo)
        std::cout << chk << "; ";
    std::cout << std::endl
              << "---" << std::endl;
}

int row_fill(int row, char ch)
{
    move tmp;
    int val = 0;
    // for (int col = 0; col < cols; col++)
    for (int &col : cols_chk)
    {
        if (data[row][col] != '#')
        {
            row_stats[row][ch]--;
            if (row_stats[row][ch] == 0)
                row_stats[row].erase(ch);
            col_stats[col][ch]--;
            if (col_stats[col][ch] == 0)
                col_stats[col].erase(ch);
            if (col_stats[col].size() == 1 && std::find(cols_todo.begin(), cols_todo.end(), col) == cols_todo.end())
                cols_todo.push_back(col);
            data[row][col] = '#';
            val++;
        }
    }
    // rows_chk.erase(std::remove(rows_chk.begin(), rows_chk.end(), row), rows_chk.end());
    rows_chk.erase(std::find(rows_chk.begin(), rows_chk.end(), row));
    tmp.row_col = 'R';
    tmp.number = row;
    tmp.color = ch;
    res.insert(res.begin(), tmp);
    return val;
}

int col_fill(int col, char ch)
{
    move tmp;
    int val = 0;
    // for (int row = 0; row < rows; row++)
    for (int &row : rows_chk)
    {
        if (data[row][col] != '#')
        {
            row_stats[row][ch]--;
            if (row_stats[row][ch] == 0)
                row_stats[row].erase(ch);
            if (row_stats[row].size() == 1 && std::find(rows_todo.begin(), rows_todo.end(), row) == rows_todo.end())
                rows_todo.push_back(row);
            col_stats[col][ch]--;
            if (col_stats[col][ch] == 0)
                col_stats[col].erase(ch);
            data[row][col] = '#';
            val++;
        }
    }
    // cols_chk.erase(std::remove(cols_chk.begin(), cols_chk.end(), col), cols_chk.end());
    cols_chk.erase(std::find(cols_chk.begin(), cols_chk.end(), col));
    tmp.row_col = 'K';
    tmp.number = col;
    tmp.color = ch;
    res.insert(res.begin(), tmp);
    return val;
}

int main()
{
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);

    int done = 0;
    std::string line;

    std::cin >> rows >> cols;
    // data.resize(rows);
    // for (auto &x : data)
    //     x.resize(cols);
    row_stats.resize(rows);
    col_stats.resize(cols);
    rows_chk.reserve(rows);
    cols_chk.reserve(cols);
    for (int row = 0; row < rows; row++)
        rows_chk.push_back(row);
    for (int col = 0; col < cols; col++)
        cols_chk.push_back(col);

    for (int r = 0; r < rows; r++)
    {
        std::cin >> line;
        for (int ch = 0; ch < cols; ch++)
        {
            data[r][ch] = line[ch];
            row_stats[r][line[ch]]++;
            col_stats[ch][line[ch]]++;
        }
    }

    for (int row = 0; row < rows; row++)
        if (row_stats[row].size() == 1)
            rows_todo.push_back(row);
    for (int col = 0; col < cols; col++)
        if (col_stats[col].size() == 1)
            cols_todo.push_back(col);

    while (done < rows * cols)
    {
        for (int &row : rows_todo)
        {
            done += row_fill(row, row_stats[row].begin()->first);
        }
        rows_todo.clear();

        if (done == rows * cols)
            break;

        for (int &col : cols_todo)
        {
            done += col_fill(col, col_stats[col].begin()->first);
        }
        cols_todo.clear();
    }
    print(res);
}