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#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#define st first
#define nd second
typedef long long ll;
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m; cin >> n >> m;
    vector<vector<char>> c(n, vector<char>(m));
    vector<vector<int>> cnt_cols(m, vector<int>(27));
    vector<vector<int>> cnt_rows(n, vector<int>(27));
    vector<int> k_cols(m), k_rows(n);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> c[i][j];
            cnt_rows[i][c[i][j]-'A']++;
            if (cnt_rows[i][c[i][j]-'A'] == 1) k_rows[i]++;
            cnt_cols[j][c[i][j]-'A']++;
            if (cnt_cols[j][c[i][j]-'A'] == 1) k_cols[j]++;
        }
    }
    vector<int> single_cols, single_rows;
    for (int i = 0; i < n; i++) {
        if (k_rows[i] == 1) single_rows.push_back(i);
    }
    for (int i = 0; i < m; i++) {
        if (k_cols[i] == 1) single_cols.push_back(i);
    }
    // for (int x: single_cols) cout << x << ' ';
    // cout << '\n';
    // for (int x: single_rows) cout << x << ' ';
    // cout << '\n';
    vector<pair<char, pair<int, char>>> ans;
    while (!single_cols.empty() || !single_rows.empty()) {
        for (auto col: single_cols) {
            for (int i = 0; i < 27; i++) {
                if (cnt_cols[col][i] > 0) {
                    ans.push_back({'K', {col+1, (char)i+'A'}});
                    break;
                }
            }
            for (int i = 0; i < n; i++) {
                char cur = c[i][col];
                if (cur == '#') continue;
                cur -= 'A';
                cnt_rows[i][cur]--;
                if (cnt_rows[i][cur] == 0) {
                    k_rows[i]--;
                    if (k_rows[i] == 1) {
                        single_rows.push_back(i);
                    }
                }
            }
        }
        single_cols.clear();
        for (auto row: single_rows) {
            for (int i = 0; i < 27; i++) {
                if (cnt_rows[row][i] > 0) {
                    ans.push_back({'R', {row+1, (char)i+'A'}});
                    break;
                }
            }
            for (int i = 0; i < m; i++) {
                char cur = c[row][i];
                if (cur == '#') continue;
                cur -= 'A';
                cnt_cols[i][cur]--;
                if (cnt_cols[i][cur] == 0) {
                    k_cols[i]--;
                    if (k_cols[i] == 1) {
                        single_cols.push_back(i);
                    }
                }
            }
        }
        single_rows.clear();
    }
    // for (int x: single_rows) cout << x << ' ';
    cout << ans.size() << '\n';
    for (int i = ans.size()-1; i >= 0; i--) {
        cout << ans[i].st << ' ' << ans[i].nd.st << ' ' << ans[i].nd.nd << '\n';
    }
    return 0;
}