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#include <iostream>
#include <vector>
#include <string>
#include <set>
#include <map>

using namespace std;

int main(int argc, char* argv[])
{
#ifdef _DEBUG
	freopen("input.txt", "rt", stdin);
#endif
	vector<string> res;

	cin.sync_with_stdio(false);
	cout.sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n, m;
	cin >> n >> m;
	vector<string> data(n);
	for (int i = 0; i < n; i++)
		cin >> data[i];
	vector < map<char, set<int>>> col2idx_hor(n), col2idx_vert(m);
	set<int> ready_hor, ready_vert;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			col2idx_hor[i][data[i][j]].insert(j);
		}
		if (col2idx_hor[i].size() == 1)
			ready_hor.insert(i);
	}
	for (int j = 0; j < m; j++) {
		for (int i = 0; i < n; i++) {
			col2idx_vert[j][data[i][j]].insert(i);
		}			
		if (col2idx_vert[j].size() == 1)
			ready_vert.insert(j);
	}
	do {
		for (int i : ready_hor) {
			if (!col2idx_hor[i].empty() && !col2idx_hor[i].begin()->second.empty()) {
				res.push_back("R " + to_string(i + 1) + " " + col2idx_hor[i].begin()->first);
				for (int j : col2idx_hor[i].begin()->second) {
					char color = data[i][j];
#ifdef _DEBUG
					if (data[i][j] != col2idx_hor[i].begin()->first)
						_DEBUG_ERROR("data[i][j] != col2idx_hor[i].begin()->first");
					if (data[i][j] == '?')
						_DEBUG_ERROR("(data[i][j] == '?')");
#endif
					col2idx_vert[j][color].erase(i);
					if (col2idx_vert[j][color].empty()) {
						col2idx_vert[j].erase(color);
						if (col2idx_vert[j].size() == 1)
							ready_vert.insert(j);
					}
#ifdef _DEBUG
					data[i][j] = '?';
#endif
				}
			}
		}
		ready_hor.clear();

		for (int j : ready_vert) {
			if (!col2idx_vert[j].empty() && !col2idx_vert[j].begin()->second.empty()) {
				res.push_back("K " + to_string(j + 1) + " " + col2idx_vert[j].begin()->first);
				for (int i : col2idx_vert[j].begin()->second) {
					char color = data[i][j];
#ifdef _DEBUG
					if (data[i][j] != col2idx_vert[j].begin()->first)
						_DEBUG_ERROR("data[i][j] != col2idx_vert[j].begin()->first");
					if (data[i][j] == '?')
						_DEBUG_ERROR("(data[i][j] == '?')");
#endif
					col2idx_hor[i][color].erase(j);
					if (col2idx_hor[i][color].empty()) {
						col2idx_hor[i].erase(color);
						if (col2idx_hor[i].size()==1)
							ready_hor.insert(i);
					}
#ifdef _DEBUG
					data[i][j] = '?';
#endif
				}
			}
		}
		ready_vert.clear();

	} while (!ready_hor.empty());

#ifdef _DEBUG
	for (int i = 0; i < n; i++)
		if (col2idx_hor[i].size() > 1) {
			cout << "NIEMOZLIWO!!!";
			return -1;
		};
	for (int j = 0; j < m; j++)
		if (col2idx_vert[j].size() > 1) {
			cout << "NIEMOZLIWO!!!";
			return -1;
		};
	for (int i = 0; i < n; i++)
		for (int j = 0; j < m; j++)
			if (data[i][j] != '?') {
				cout << "NIEMOZLIWO!!!";
				return -1;
			};

#endif
	cout << res.size() << "\n";
	for (vector<string>::reverse_iterator rit = res.rbegin(); rit != res.rend(); rit++)
		cout << (*rit) << "\n";


	return 0;
}