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#include<bits/stdc++.h>
using namespace std;

bool doneRow[2001];
bool doneCol[2001];
map<char, int> howManyInColorRow[2001];
map<char, int> howManyInColorCol[2001];
int colorsRemainingRow[2001];
int colorsRemainingCol[2001];

map<char, int> howManyToRemoveFromRows;
map<char, int> howManyToRemoveFromCols;

int rowsRemaining;
int colsRemaining;
int n,m;

vector<int> rowsToBeEliminated;
vector<int> colsToBeEliminated;

string mapa[2001];

stack<string> result;
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(NULL);
	cin>>n>>m;
	rowsRemaining=n;
	colsRemaining=m;
	for(int i=0;i<n;i++)
	{	
		cin>>mapa[i];
		for(int j=0;j<m;j++)
		{
			howManyInColorRow[i][mapa[i][j]]++;
			howManyInColorCol[j][mapa[i][j]]++;
		}
	}

	for(int i=0;i<n;i++)
	{	
		colorsRemainingRow[i] = howManyInColorRow[i].size();
		if(colorsRemainingRow[i]==1)
			rowsToBeEliminated.push_back(i);
	}
	for(int j=0;j<m;j++)
	{
		colorsRemainingCol[j] = howManyInColorCol[j].size();
		if(colorsRemainingCol[j]==1)
			colsToBeEliminated.push_back(j);
	}

	while(colsRemaining>0 || rowsRemaining>0)
	{
		////cerr<<"col remaining "<<colsRemaining<<"; rows remaining"<<rowsRemaining<<endl;
		//for(int i=0;i<n;i++)
		//{
		//	//cerr<<"row "<<i<<" remaining colors "<<colorsRemainingRow[i]<<endl;;
		//	if(i==1)
		//	{
		//		//cerr<<"row 1 colors"<<endl;
		//		for(auto kv :howManyInColorRow[i])
		//		{
		//			//cerr<<kv.first<<" "<<kv.second<<endl;
		//		}
		//	}
		//}
		//for(int i=0;i<m;i++)
		//{
		//	//cerr<<"col "<<i<<" remaining colors "<<colorsRemainingCol[i]<<endl;;
		//}
		if(colsToBeEliminated.size()>0)
		{
			howManyToRemoveFromRows.clear();
			for(auto col : colsToBeEliminated)
			{
				if(!doneCol[col])
				{
					////cerr<<"size: "<<howManyInColorCol[col].size()<<endl;

					char color = howManyInColorCol[col].begin()->first;
					howManyToRemoveFromRows[color]++;
					doneCol[col]=1;
					stringstream ss;
					ss<<"K"<<" "<<col+1<<" "<<color;
					result.push(ss.str());
					colsRemaining--;
				}
			}
			colsToBeEliminated.clear();
			//colsRemaining-=colsToBeEliminated.size();
			for(int row=0;row<n;row++)
			{
				if(!doneRow[row])
				{
					for(auto kv : howManyToRemoveFromRows)
					{
						howManyInColorRow[row][kv.first]-=kv.second;
						if(howManyInColorRow[row][kv.first]==0)
						{
							colorsRemainingRow[row]--;
							howManyInColorRow[row].erase(kv.first);
							if(colorsRemainingRow[row]==1)
							{
								//cerr<<"row to be eliminated: "<<row<<endl;
								rowsToBeEliminated.push_back(row);
							}
							else if(colorsRemainingRow[row]==0)
							{
								//cerr<<"row "<<row<<" has no colors left"<<endl;

								doneRow[row]=true;
								rowsRemaining--;
							}
						}
					}
				}
			}
		}
		if(rowsToBeEliminated.size()>0)
		{
			howManyToRemoveFromCols.clear();

			for(auto row : rowsToBeEliminated)
			{
				if(!doneRow[row])
				{
					////cerr<<"size: "<<howManyInColorRow[row].size()<<endl;
					char color = howManyInColorRow[row].begin()->first;
					howManyToRemoveFromCols[color]++;
					doneRow[row]=1;
					stringstream ss;
					ss<<"R"<<" "<<row+1<<" "<<color;
					result.push(ss.str());
					rowsRemaining--;
				}
			}
			rowsToBeEliminated.clear();
			for(int col=0;col<m;col++)
			{
				if(!doneCol[col])
				{
					for(auto kv : howManyToRemoveFromCols)
					{
						howManyInColorCol[col][kv.first]-=kv.second;
						if(howManyInColorCol[col][kv.first]==0)
						{
							colorsRemainingCol[col]--;
							howManyInColorCol[col].erase(kv.first);
							if(colorsRemainingCol[col]==1)
							{
								//cerr<<"col to be eliminated: "<<col<<endl;

								colsToBeEliminated.push_back(col);
							}
							else if(colorsRemainingCol[col]==0)
							{
								//cerr<<"column "<<col<<" has no colors left"<<endl;
								doneCol[col]=true;
								colsRemaining--;
							}
						}
					}
				}
			}

			
		}
	}
	cout<< result.size()<<endl;
	while(!result.empty())
	{
		cout<<result.top()<<endl;
		result.pop();
	}

}