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#pragma GCC optimize("Ofast")
//#pragma GCC target ("avx2")
//#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
using namespace std;
//typedef tree<pair<int,int>,null_type,less<pair<int,int>>,rb_tree_tag,tree_order_statistics_node_update>ordered_set;
#define ll long long
#define ull unsigned long long int
#define pb push_back
#define mp make_pair
#define vi vector<int>
#define pii pair<int,int>
#define pss pair<short,short>
#define pld pair<long double,long double >
#define ld long double
#define piii  pair<pii,int>
#define vii vector<pair<int,int> >
#define st first
#define nd second
#define pll pair<ll,ll>
#define speed ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define M_PI 3.14159265358979323846
#define int long long
//const int mod=1000000007;
//const int mod=1009;
const int mod=998244353;
const int inf=1000000009;
const long long INF=1000000000000000009;
const long long big=1000000000000000;
const long double eps=0.000000000000000000001;
const int rozmiar=2005;
char T[rozmiar][rozmiar];
bool M[rozmiar][rozmiar];
int literka_k[rozmiar][27],literka_w[rozmiar][27],marked_k[rozmiar],marked_w[rozmiar];
struct operacja{
    char typ;
    int nr;
    char c;
};
void solve()
{
    int n,m;
    cin>>n>>m;
    int marked=0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            char c;
            cin>>c;
            T[i][j]=c;
            literka_w[i][c-'A']++;
            literka_k[j][c-'A']++;
        }
    }
    vector<operacja> W;
    while(marked!=n*m){
        //wiersze
        for(int i=1;i<=n;i++){
            if(marked_w[i]==m)
                continue;
            int maks=0,skad=0;
            for(int c=0;c<26;c++){
                int current=literka_w[i][c];
                if(current>maks){
                    maks=current;
                    skad=c;
                }
            }
            if(maks+marked_w[i]==m){
                W.pb({'R',i,(char)(skad+'A')});
                for(int j=1;j<=m;j++){
                    if(!M[i][j]){
                        M[i][j]=1;
                        marked_w[i]++;
                        marked_k[j]++;
                        literka_w[i][skad]--;
                        literka_k[j][skad]--;
                        marked++;
                    }
                }
            }
        }

        //kolumny
        for(int j=1;j<=m;j++){
            if(marked_k[j]==n)
                continue;
            int maks=0,skad=0;
            for(int c=0;c<26;c++){
                int current=literka_k[j][c];
                if(current>maks){
                    maks=current;
                    skad=c;
                }
            }
            if(maks+marked_k[j]==n){
                W.pb({'K',j,(char)(skad+'A')});
                for(int i=1;i<=n;i++){
                    if(!M[i][j]){
                        M[i][j]=1;
                        marked_w[i]++;
                        marked_k[j]++;
                        literka_w[i][skad]--;
                        literka_k[j][skad]--;
                        marked++;
                    }
                }
            }
        }
    }
    reverse(W.begin(),W.end());
    cout<<W.size()<<"\n";
    for(auto el:W){
        cout<<el.typ<<" "<<el.nr<<" "<<el.c<<"\n";
    }

}
    
int32_t main(){
    speed
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
    return 0;
}