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#include<bits/stdc++.h>
using namespace std;
int n, m;
bool kol[2005], row[2005];
char t[2005][2005];
stack<pair<pair<char, int>, char>> S; //kolumna czy wiersz, numer, kolor
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        string s;
        cin >> s;
        for(int j = 1; j <= m; j++)
        {
            t[i][j] = s[j - 1];
        }
    }

    int w = -1;
    int k = -1;
    for(int i = 1; i <= n; i++)
    {
        char z = t[i][1];
        bool czy = false;
        for(int j = 2; j <= m; j++)
        {
            if(t[i][j] != z)
            {
                czy = true;
            }
        }
        if(!czy)
        {
            w = i;
            row[i] = true;
            S.push({{'R', i}, t[i][1]});
        }
    }
    if(w == -1)
    {
        for(int i = 1; i <= m; i++)
        {
            char z = t[1][i];
            bool czy = false;
            for(int j = 2; j <= n; j++)
            {
                if(t[j][i] != z)
                    czy = true;
            }
            if(!czy)
            {
                k = i;
                kol[i] = true;
                S.push({{'K', i}, t[1][i]});
            }
        }
    }

    if(k == -1)
    {
        vector<pair<pair<char, int>, char>> v;
        for(int i = 1; i <= m; i++)
        {
            char last = '9';
            bool czy = true;
            for(int j = 1; j <= n; j++)
            {
                if(row[j]) continue;
                if(last == '9') last = t[j][i];
                else
                {
                    if(last != t[j][i])
                    {
                        czy = false;
                        break;
                    }
                    last = t[j][i];
                }
            }
            if(czy && last != '9')
                S.push({{'K', i}, last});
            else
            {
                for(int j = 1; j <= n; j++)
                {
                    if(row[j]) continue;
                    v.push_back({{'R', j}, t[j][i]});
                }
            }
        }

        for(int i = 0; i < v.size(); i++)
            S.push(v[i]);
    }
    else
    {
        vector<pair<pair<char, int>, char>> v;
        for(int i = 1; i <= n; i++)
        {
            char last = '9';
            bool czy = true;
            for(int j = 1; j <= m; j++)
            {
                if(kol[j]) continue;
                if(last == '9') last = t[i][j];
                else
                {
                    if(last != t[i][j])
                    {
                        
                        czy = false;
                        break;
                    }
                    last = t[i][j];
                }
            }
            if(czy && last != '9')
                S.push({{'R', i}, last});
            else
            {
                for(int j = 1; j <= m; j++)
                {
                    if(kol[j]) continue;
                    v.push_back({{'K', j}, t[i][j]});
                }
            }
        }

        for(int i = 0; i < v.size(); i++)
            S.push(v[i]);
    }
    cout << S.size() << "\n";
    while(!S.empty())
    {
        cout << S.top().first.first << " " << S.top().first.second << " " << S.top().second << "\n";
        S.pop();
    }
}