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

struct odp {
    char ruch;
    int nr;
    char kolor;
};

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, m;
    cin >> n >> m;
    vector <vector <char>> v(n, vector <char>(m));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> v[i][j];
        }
    }

    vector <set<char>> rows(n), cols(m);
    vector <vector <int>> row(n, vector <int>(200, 0)), col(m, vector <int>(200, 0));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            row[i][v[i][j]]++;
            col[j][v[i][j]]++;

            rows[i].insert(v[i][j]);
            cols[j].insert(v[i][j]);
        }
    }

    queue <odp> q;
    for (int i = 0; i < n; i++) if (rows[i].size() == 1) q.push({'R', i, *rows[i].begin()});
    for (int i = 0; i < m; i++) if (cols[i].size() == 1) q.push({'K', i, *cols[i].begin()});

    vector <odp> ans;
    while (!q.empty()) {
        auto cur = q.front();
        q.pop();
        if (cur.ruch == 'R') {
            if (rows[cur.nr].size() == 0) continue;
            rows[cur.nr].clear();
        }
        else {
            if (cols[cur.nr].size() == 0) continue;
            cols[cur.nr].clear();
        }

        ans.push_back(cur);
        if (cur.ruch == 'R') {
            for (int i = 0; i < m; i++) {
                if (cols[i].size() == 0) continue;
                col[i][cur.kolor]--;
                if (col[i][cur.kolor] == 0) cols[i].erase(cur.kolor);
                if (cols[i].size() == 1) q.push({'K', i, *cols[i].begin()});
            }
        }
        else {
            for (int i = 0; i < n; i++) {
                if (rows[i].size() == 0) continue;
                row[i][cur.kolor]--;
                if (row[i][cur.kolor] == 0) rows[i].erase(cur.kolor);
                if (rows[i].size() == 1) q.push({'R', i, *rows[i].begin()});
            }
        }
    }

    cout << ans.size() << '\n';
    for (int i = (int)ans.size() - 1; i >= 0; i--) 
        cout << ans[i].ruch << ' ' << ans[i].nr + 1 << ' ' << ans[i].kolor << '\n';
}