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#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double db;
typedef pair<int,int> pii;
typedef vector<int> vi;
#define pb push_back
#define fi first
#define se second
#define rep(i,b,e) for(int i=(b); i<(e); i++)
#define each(a,x)  for(auto &a : (x))
#define all(x) (x).begin(), (x).end()
#define sz(x)  (int)(x).size()

template <class T, class U> auto &operator<<(ostream &out, pair<T, U> a) { return out << "(" << a.first << ", " << a.second << ")"; }
template <class T, class = class enable_if<!is_same<T, string>(), class T::iterator>::type> auto &operator<<(ostream &out, T a) {
    out << "{";
    bool fi = 1;
    for(auto b : a) {
        if(fi) {out<<b; fi=0;}
        else out<<", "<<b;
    }
    return out << "}";
}
void dump(){
   cerr << "\e"<<"\n";
}
template <class T, class... Ts> void dump(T a, Ts... x) {
   cerr << a << ", ";
   dump(x...);
}
#define debug(...) cerr << "\e"<<__func__<<":"<<__LINE__<<"\t"<<"[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
//#define debug(...) ;

const int Z = 30;
const int N = 2005;
int cntX[N][Z],cntY[N][Z];
char grid[N][N];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int Y,X;
    cin >> Y >> X;
    rep(y,1,Y+1) rep(x,1,X+1){
        cin >> grid[x][y];
        ++cntX[x][grid[x][y]-'A'];        
        ++cntY[y][grid[x][y]-'A'];        
    }   
    bool go=1;
    vector<pair<char,pair<int,char>>> wynik;
     
    while(go){
        go = 0;
        // Kolumny
        for(int x=1; x<=X; ++x){
            int cntDiff=0;
            char let='?';
            for(char c='A'; c<='Z'; ++c){
                if(cntX[x][c-'A']>0){
                    let = c;
                    ++cntDiff;
                }
            }
            if(cntDiff==1){
                go = 1;
                wynik.pb({'K',{x,let}});
                
                for(int y=1; y<=Y; ++y){
                    char &toRem = grid[x][y];
                    if(toRem=='.') continue;
                    --cntX[x][toRem-'A'];
                    --cntY[y][toRem-'A'];
                    grid[x][y]='.';
                }
            }
        }
        
        // Wierszy
        for(int y=1; y<=Y; ++y){
            int cntDiff=0;
            char let='?';
            for(char c='A'; c<='Z'; ++c){
                if(cntY[y][c-'A']>0){
                    let = c;
                    ++cntDiff;
                }
            }
            if(cntDiff==1){
                go = 1;
                wynik.pb({'R',{y,let}});
                for(int x=1; x<=X; ++x){
                    char &toRem = grid[x][y];
                    if(toRem=='.') continue;
                    --cntX[x][toRem-'A'];
                    --cntY[y][toRem-'A'];
                    grid[x][y]='.';
                }
            }
        }        
    }
    reverse(all(wynik));
    cout << sz(wynik) << "\n"; 
    for(auto &[a,bc] : wynik){
        auto &[b,c] = bc;
        cout << a << " " << b << "  " << c << "\n";
    }
    return 0;
}