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.*;
import java.util.*;

public class ProblemC
{
	public static void main(String[] args)
	{
		String txtfile="C-small-attempt0.in";
		try
		{
			Scanner scan = new Scanner(new FileInputStream(txtfile));
			FileWriter fstream = new FileWriter("C-small-attempt0.out");
			BufferedWriter out = new BufferedWriter(fstream);
			int T = scan.nextInt();
			int y = 0,A,B,l,ban;
			String temp,sban;
			boolean copy;
			int[] z;
			for (int x=1;x<=T;x++)
			{
				A = scan.nextInt();
				B = scan.nextInt();
				y = 0;
				for (int i=A;i<B;i++)
				{
					temp = i + "";
					l = temp.length();
					z = new int[l];
					for (int j=0;j<l;j++) z[j] = 0;
					for (int j=1;j<l;j++)
					{
						sban = temp.substring(j) + "" + temp.substring(0,j);
						ban = Integer.parseInt(sban);
						copy = false;
						z[j] = ban;
						for (int k=0;k<j;k++) if (ban==z[k]) copy = true;
						if (ban>=A && ban<=B && ban>i && copy==false)
						{
							y++;
						}
					}
				}
				out.write("Case #" + x + ": " + y + "\n");
			}
			out.close();
		}
		catch (IOException ex)
		{
			System.out.println(ex);
			System.exit(1);
		}

	}
}