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//2024-03-14
//author: Marcin Rolbiecki
#include <bits/stdc++.h>
using namespace std;

const int maxN = 2002, alfa = 26;

int columns [maxN][26], rows[maxN][26];
int columnsCnt [maxN], rowsCnt[maxN];
int totalCnt;
char grid [maxN][maxN];
vector <string> ans;
int n, m;

int checkColumn (int j)
{
	int id = 0, cnt = 0;
	for (int a = 0; a < alfa; a++)
	{
		if (columns[j][a])
		{
			id = a;
			cnt++;
		}
	}
	return (cnt == 1 ? id : -1);
}

int checkRow (int i)
{
	int id = 0, cnt = 0;
	for (int a = 0; a < alfa; a++)
	{
		if (rows[i][a])
		{
			id = a;
			cnt++;
		}
	}
	return (cnt == 1 ? id : -1);
}

void update (int i, int j)
{
	if (grid[i][j])
	{
		rows[i][ grid[i][j] - 'A' ]--;
		if (rows[i][ grid[i][j] - 'A' ] == 0) 
		{
			rowsCnt[i]--;
			if (rowsCnt[i] == 0)
			{
				totalCnt--;
			}
		}
		columns[j][ grid[i][j] - 'A' ]--;
		if (columns[j][ grid[i][j] - 'A' ] == 0) 
		{
			columnsCnt[j]--;
			if (columnsCnt[j] == 0)
			{
				totalCnt--;
			}
		}
		grid[i][j] = 0;
	}
}
/*
void printGrid ()
{
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			cout << (grid[i][j] ? grid[i][j] : '#');
		}
		cout << endl;
	}
}
*/
int main () {
		
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> m;
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= m; j++)
		{
			cin >> grid[i][j];
			rows[i][ grid[i][j] - 'A' ]++;
			columns[j][ grid[i][j] - 'A' ]++;
		}
	}
	
	for (int i = 1; i <= n; i++)
	{
		for (int a = 0; a < alfa; a++)
		{
			rowsCnt[i] += (rows[i][a] != 0);
		}
		totalCnt += (rowsCnt[i] != 0);
	}
	for (int j = 1; j <= m; j++)
	{
		for (int a = 0; a < alfa; a++)
		{
			columnsCnt[j] += (columns[j][a] != 0);
		}
		totalCnt += (columnsCnt[j] != 0);
	}
	
	while (totalCnt)
	{
		for (int i = 1; i <= n; i++)
		{
			int id = checkRow(i);
			if (id != -1)
			{
				for (int j = 1; j <= m; j++)
				{
					update(i, j);
				}
				ans.push_back("R " + to_string(i) + " " + (char)('A' + id));
			}
		}
		for (int j = 1; j <= m; j++)
		{
			int id = checkColumn(j);
			if (id != -1)
			{
				for (int i = 1; i <= n; i++)
				{
					update(i, j);
				}
				ans.push_back("K " + to_string(j) + " " + (char)('A' + id));
			}
		}
	}
	
	reverse(ans.begin(), ans.end());
	cout << ans.size() << '\n';
	for (auto a : ans)
	{
		cout << a << '\n';
	}
	
	return 0;
}