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

int ile[2001][2][257];
int ile2[2001][2];
bool vis[2001][2];
bool usu[2001][2001];

void usun_pole(int a, int b, char c){
	ile[a][0][(int)c]--;
	if (ile[a][0][(int)c] == 0) ile2[a][0]--;
	ile[b][1][(int)c]--;
	if (ile[b][1][(int)c] == 0) ile2[b][1]--;
}
signed main(){
	//ios_base::sync_with_stdio(0);
	//cin.tie(0);
	int i;
	int n,m;
	cin>>n>>m;
	string tab[n];
	for (i = 0; i < n; i++){
		cin>>tab[i];
		for (int j = 0; j < m; j++){
			ile[i][0][(int)tab[i][j]]++;
			if (ile[i][0][(int)tab[i][j]] == 1) ile2[i][0]++;
			ile[j][1][(int)tab[i][j]]++;
			if (ile[j][1][(int)tab[i][j]] == 1) ile2[j][1]++;
		}
	}
/*	for (i = 0; i < n; i++) cout<<ile2[i][0]<<" ";
	cout<<"\n";
	for (i = 0; i < m; i++) cout<<ile2[i][1]<<" ";
	cout<<"\n";*/
	vector<pair<char,pair<int,char> > > wynik;
	int wy1 = n;
	int wy2 = m;
	while (wy1 && wy2){
		bool good = 0;
		for (i = 0; i < n; i++){
			if (!vis[i][0] && ile2[i][0] == 1){
				wy1--;
				vis[i][0] = 1;
				char kolor;
				for (int j = 0; j < m; j++){
					if (!usu[i][j]){
						kolor = tab[i][j];
						usu[i][j] = 1;
						usun_pole(i,j,tab[i][j]);
					}
				}
				//cout<<"R"<<i+1<<" "<<kolor<<"\n";
				//exit(0);
				wynik.push_back({'R',{i,kolor}});
				good = 1;
				break;
			}
		}
		if (good) continue;
		for (int j = 0; j < m; j++){
			if (!vis[j][1] && ile2[j][1] == 1){
				wy2--;
				vis[j][1] = 1;
				char kolor;
				for (i = 0; i < n; i++){
					if (!usu[i][j]){
						kolor = tab[i][j];
						usu[i][j] = 1;
						usun_pole(i,j,tab[i][j]);
					}
				}
				//cout<<"K"<<j+1<<" "<<kolor<<"\n";
				//exit(0);
				wynik.push_back({'K',{j,kolor}});
				break;
			}
		}
	}	
	cout<<wynik.size()<<"\n";
	reverse(wynik.begin(),wynik.end());
	for (auto j : wynik){
		cout<<j.first<<" "<<j.second.first+1<<" "<<j.second.second<<"\n";
	}
}