import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;


public class Recycled {
	private static int NN = 10010; 
	private static BufferedReader bf;
	private static File f;
	
	public static void main(String[] args) throws Exception {
		f = new File("rasdjfh.in");
		FileWriter out = new FileWriter(new File("recycled.txt"));
		if(f.exists())
			bf = new BufferedReader(new FileReader(f));
		else 
			bf = new BufferedReader(new InputStreamReader(System.in));
		String line = "", pars[],s ,x;
		ArrayList<HashSet<Integer>> recycled = new ArrayList<HashSet<Integer>>(NN);
		for(int i=0;i<NN;i++)
		{
			s = ""+i;
			recycled.add(new HashSet<Integer>());
			for(int j=1;j<s.length();j++)
			{
				x = s.substring(0, j);
				x = s.substring(j)+x;
				Integer I;
				if((I = Integer.parseInt(x)) > i)
					recycled.get(i).add(I);
			}
		}
		System.out.println("Ok, I'm readyÉ");
		int T = Integer.parseInt(bf.readLine()),  A , B;
		for(int t=1;t<=T;t++)
		{
			pars = bf.readLine().split("[ ]+");
			A = Integer.parseInt(pars[0]);
			B = Integer.parseInt(pars[1]);
			int ans = 0;
			for(int i=A;i<=B;i++)
			{
				for(Integer j : recycled.get(i))
					if(j >= A && j <=B)
						ans++;
			}
			out.write(String.format("Case #%d: %d\n",t,ans));
		}
		out.close();
	}
}
