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#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
#define INF 1000000000
#define INFl 1000000000000000000
#define all(x) x.begin(), x.end()
#define sajz(x) (int)x.size()
#define pb push_back
#define se second
#define fi first
#define yes puts("YES")
#define no puts("NO")
#define erase_duplicates(x) {sort(all(x));(x).resize(distance((x).begin(), unique(all(x))));}
using namespace std;
//using namespace __gnu_pbds;
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define int ll

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef set<int> si;
typedef multiset<int> msi;
typedef long double ld;
//typedef cc_hash_table<int, int, hash<int>> ht;

const int N = 2005;
char a[N][N];

struct ruch {
	char d;
	int x;
	char c;

	void show() {
		cout << d << ' ' << x << ' ' << c << '\n';
	}
};

map<char, int> cnt_row[N], cnt_col[N];

int32_t main() {
	ios_base::sync_with_stdio(false);
	cout.tie(0);
	cin.tie(0);

    int n, m;
	cin >> n >> m;

	for (int i = 0; i < n; i ++)
		for (int j = 0; j < m; j ++) cin >> a[i][j];

	

	for (int row = 0; row < n; row ++) {
		for (int col = 0; col < m; col ++) {
			cnt_row[row][a[row][col]] ++;
		}
	}

	for (int col = 0; col < m; col ++) {
		for (int row = 0; row < n; row ++) {
			cnt_col[col][a[row][col]] ++;
		}
	}

	set<int> ready_row, ready_col;
	vector<bool> vis_row(n), vis_col(m);
	for (int row = 0; row < n; row ++) if (cnt_row[row].size() == 1) ready_row.insert(row), vis_row[row] = true;
	for (int col = 0; col < m; col ++) if (cnt_col[col].size() == 1) ready_col.insert(col), vis_col[col] = true;

	vector<ruch> ans;

	int op = 0;

	while ((int)ready_row.size() + (int)ready_col.size() > 0) {
		//debug(ready_row);
		//debug(ready_col);
		if (ready_row.size() > 0) {
			for (int row : ready_row) {
				if (cnt_row[row].size() == 0) continue;
				char kolor = cnt_row[row].begin()->first;
				ans.pb({'R', row+1, kolor});
				for (int col = 0; col < m; col ++) {
					cnt_col[col][kolor] --;
					if (cnt_col[col][kolor] == 0) cnt_col[col].erase(kolor);
					if (cnt_col[col].size() == 1 && !vis_col[col]) {
						vis_col[col] = true;
						ready_col.insert(col);
					}
				}
			}
			ready_row.clear();
		} else {
			for (int col : ready_col) {
				if (cnt_col[col].size() == 0) continue;
				vis_col[col] = true;
				char kolor = cnt_col[col].begin()->first;
				ans.pb({'K', col+1, kolor});
				for (int row = 0; row < n; row ++) {
					cnt_row[row][kolor] --;
					if (cnt_row[row][kolor] == 0) cnt_row[row].erase(kolor);
					if (cnt_row[row].size() == 1 && !vis_row[row]) {
						ready_row.insert(row);
						vis_row[row] = true;
					}
				}
			}
			ready_col.clear();
		}
	}

	reverse(all(ans));

	cout << ans.size() << '\n';
	for (auto it : ans) it.show();
    
    return 0;
}