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#include <iostream>
#include <vector>
#include <unordered_map>

using namespace std;

int n, m;
vector<vector<char>> picture;
vector<unordered_map<char, int>> rowLetters;
vector<unordered_map<char, int>> columnLetters;
vector<string> moves;

int nextMove() {
    for (int i = 0; i < n; i++) {
        if (rowLetters[i].size() == 1) {
            moves.push_back("R " + to_string(i + 1) + " " + rowLetters[i].begin()->first);
            for (int j = 0; j < m; j++) {
                columnLetters[j][picture[i][j]]--;
                if (columnLetters[j][picture[i][j]] < 1) {
                    columnLetters[j].erase(picture[i][j]);
                }
            }
            rowLetters[i].clear();
            return true;
        }
    }
    for (int j = 0; j < m; j++) {
        if (columnLetters[j].size() == 1) {
            moves.push_back("K " + to_string(j + 1) + " " + columnLetters[j].begin()->first);
            for (int i = 0; i < n; i++) {
                rowLetters[i][picture[i][j]]--;
                if (rowLetters[i][picture[i][j]] < 1) {
                    rowLetters[i].erase(picture[i][j]);
                }
            }
            columnLetters[j].clear();
            return true;
        }
    }
    return false;
}

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

    cin >> n >> m;
    picture.resize(n);
    rowLetters.resize(n);
    columnLetters.resize(m);

    string row;
    for (int i = 0; i < n; i++) {
        cin >> row;
        picture[i].resize(m);
        for (int j = 0; j < m; j++) {
            picture[i][j] = row[j];
            rowLetters[i][row[j]]++;
            columnLetters[j][row[j]]++;
        }
    }

    while (nextMove()) {
    }

    cout << moves.size() << endl;
    for (int i = moves.size() - 1; i >= 0; i--) {
        cout << moves[i] << endl;
    }


}