#include <iostream>
#include <vector>
#include <utility>
 
using namespace std;
 
vector <pair<char, int>> getRanks(string graph[], int h, int w)
{
	vector <pair<char, int>> ranks;
	pair<char, int> p = make_pair('a', 5);
	ranks.push_back(p);
 
	return ranks;
}
 
 
int main() {
	// your code goes here
	int t;
	cin>>t;
	int world = 1;
	while(world <= t)
	{
		int h,w;
 
		cin>>h>>w;
 
		string graph[h];
 
		for(int i = 0; i<h ; i++ )
			cin>>graph[i];
 
		vector <pair<char, int>> ranks = getRanks(graph, h, w);
 
		cout<<"World #"<<world<<endl;
 
		for(int j = 0; j < ranks.size(); j++)
		{
			cout<<ranks[j].first<<": "<<ranks[j].second<<endl;
		}
 
 
		world++;	
	}
	return 0;
}

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