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#include<cstdio>
#include<algorithm>
#include<utility>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<stack>
#include<cmath>
#include<iostream>

// macros

#define FORE(c, a, b) for(int c=a; c<= int(b); ++c)
#define FORD(c, a, b) for(int c=a; c>= int(b); --c)
#define FORIT(it, cont, cont_t) for(cont_t::iterator it = cont.begin(); it != cont.end(); ++it)
#define REP(i, n) for(int i = 0; i < (n); ++i)
#define ALL(a) a.begin(), a.end() 
#define PR(n) printf("%d ", (int) (n)) 
#define PRL(n) printf("%lld ", (ll) (n)) 
#define SC(n) scanf("%d", &n);
#define SC2(n, m) scanf("%d%d", &n, &m);

#define xx first
#define yy second
#define pb push_back
#define mp make_pair
#define itr iterator

#define dbg if(0)
#define prd dbg printf

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned int uint;

typedef vector<int> vi;
typedef set<int> si;
typedef map<int, int> mi;
typedef pair<int, int> pi;
typedef vector<pi> vii;
typedef vector<vi> vvi;

const int NMAX = 2005;

int n, m, k;
char t[NMAX][NMAX];
vector<string> ans;
mi rows[NMAX], cols[NMAX];
queue<int> row_still, col_still;

char extract(const mi& mapa) {
  if (mapa.empty())
    return 'A';
  if (mapa.size() > 1)
    return '!';
  return (char) mapa.begin()->xx;
}

int main() {
  SC2(n,m);
  REP(i, n) {
    scanf("%s", t[i]);
    /* int still = 1;
    FORE(j, 1, m-1)
      if (t[i][0] != t[i][j])
        still = 0;
    if (still)
      row_still.push(i);*/
  }

  /* REP(j, m) {
    int still = 1;
    FORE(i, 1, n-1)
      if (t[0][j] != t[i][j])
        still = 0;
    if (still)
      col_still.push(i);
  } */

  REP(i, n)
    REP(j, m) {
      int color = t[i][j];
      rows[i][color]++;
      cols[j][color]++;
    }

  REP(i, n)
    if (rows[i].size() == 1) {
      row_still.push(i);
      prd("push row %d\n", i+1);
    }

  REP(j, m)
    if (cols[j].size() == 1) {
      col_still.push(j);
      prd("push col %d\n", j+1);
    }

  dbg REP(i,n) {
    REP(j, m)
    printf("%c", t[i][j]);
    prd("\n");
  }

  int cells = n * m;
  while (cells) {
    if (!col_still.empty()) {
      int j = col_still.front();
      col_still.pop();
      string order ="K " + to_string(j+1) + " " + extract(cols[j]);
      ans.pb(order);
      prd("%s\n", order.c_str());

      REP(i,n) if (t[i][j]) {
        cells--;
        int color = t[i][j];
        t[i][j] = 0;

        rows[i][color]--;
        if (rows[i][color] == 0) {
          rows[i].erase(color);
          if (rows[i].size() == 1) {
            row_still.push(i);
            prd("push row %d\n", i+1);
          }
      }
    }
  }

  if (!row_still.empty()) {
      int i = row_still.front();
      row_still.pop();
      string order = "R " + to_string(i+1) + " " + extract(rows[i]);
      ans.pb(order);
      prd("%s\n", order.c_str());

      REP(j,m) if (t[i][j]) {
        cells--;
        char color = t[i][j];
        t[i][j] = 0;

        cols[j][color]--;
        if (cols[j][color] == 0) {
          cols[j].erase(color);
          if (cols[j].size() == 1) {
            col_still.push(j);
            prd("push col %d\n", j+1);
          }
      }
    }
  }
}

reverse(ALL(ans));
printf("%d\n", (int) ans.size());
REP(i, ans.size())
  printf("%s\n", ans[i].c_str());
return 0;
}