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#include<bits/stdc++.h>
 
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("trapv")
 
#define st first
#define nd second
#define pb push_back
#define pp pop_back
#define eb emplace_back
#define mp(a, b) make_pair(a, b)
#define all(x) (x).begin(), (x).end()
#define rev(x) reverse(all(x))
#define sor(x) sort(all(x))
#define sz(x) (int)(x).size()
#define rsz(x) resize(x)
 
using namespace std;
 
///~~~~~~~~~~~~~~~~~~~~~~~~~~
 
template <typename H, typename T> 
ostream& operator<<(ostream& os, pair<H, T> m){
	return os <<"("<< m.st<<", "<<m.nd<<")";
}
template <typename H> 
ostream& operator<<(ostream& os, vector<H> V){
	os<<"{";
	for(int i=0; i<V.size(); i++){
		if(i)os<<" ";
		os<<V[i];
	}
	os<<"}";
	return os;
}
 
void debug(){cerr<<"\n";}
template <typename H, typename... T>
void debug(H h, T... t) {cerr<<h; if (sizeof...(t)) cerr << ", "; debug(t...);}
#define deb(x...) cerr<<#x<<" = ";debug(x);
 
///~~~~~~~~~~~~~~~~~~~~~~~~~
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii > vii;
typedef vector<ll> vl;
typedef vector<pll> vll;
typedef string str;
 
#define BOOST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
 
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
 
const int N=2e3+5, INF=1e9+5, mod=1e9+7, A=26;

int tab[N][N];
int ile[N][A], ile2[N][A];

int main(){
	//BOOST;
	int n, m;
	cin>>n>>m;
	for(int i=0; i<n; i++){
		str s;
		cin>>s;
		for(int j=0; j<m; j++){
			tab[i][j]=s[j]-'A';
			ile[i][s[j]-'A']++;
			ile2[j][s[j]-'A']++;
		}
	}
	vector<pair<pii, char>> ans;
	while(true){
		bool b=0;
		for(int i=0; i<n; i++){
			int s=0, M=0;
			for(int j=0; j<A; j++){
				s+=ile[i][j];
				M=max(ile[i][j], M);
			}
			//deb(i, s, M);
			if(s>0 && s==M){
				//deb();
				for(int j=0; j<A; j++){
					if(ile[i][j]){
						ans.pb({{0, i}, j+'A'});
					}
				}
				for(int j=0; j<m; j++){
					if(tab[i][j]!=-1){
						ile[i][tab[i][j]]--;
						ile2[j][tab[i][j]]--;
					}
					tab[i][j]=-1;
				}
				b=1;
				break;
			}
		}
		if(b==1)continue;
		for(int j=0; j<m; j++){
			int s=0, M=0;
			for(int i=0; i<A; i++){
				s+=ile2[j][i];
				M=max(ile2[j][i], M);
			}
			if(s>0 && s==M){
				for(int i=0; i<A; i++){
					if(ile2[j][i]){
						ans.pb({{1, j}, i+'A'});
					}
				}
				for(int i=0; i<n; i++){
					if(tab[i][j]!=-1){
						ile[i][tab[i][j]]--;
						ile2[j][tab[i][j]]--;
					}
					tab[i][j]=-1;
				}
				b=1;
				break;
			}
		}
		if(b==0)break;
	}
	rev(ans);
	cout<<ans.size()<<"\n";
	for(auto i:ans){
		cout<<"RK"[i.st.st]<<" "<<i.st.nd+1<<" "<<i.nd<<"\n";
	}
}