package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

import javax.swing.*;
import java.util.Scanner;
import java.io.*;

class ProblemC
{
	public static void main (String []sdvv) throws IOException
	{
		int cases=0, A=0, B=0, total;
		String num;
		Scanner sc;
		PrintWriter es;
		try
		{
			sc = new Scanner(new File("Csmall.IN"));
			es = new PrintWriter(new BufferedWriter(new FileWriter("solutionC.txt")));
			cases=Integer.parseInt(sc.nextLine());
			for(int j=1;j<=cases;j++)
			{
				total=0;
				es.print("Case #"+j+": ");
				A=sc.nextInt();
				B=sc.nextInt();

				for(int n=A;n<B;n++)
				{
					for(int m=n+1;m<=B;m++)
					{
						if(checkRotation(n,m))
						{
							total++;
						}
					}
				}

				es.println(total);
			}
			es.close();
		}
		catch(FileNotFoundException error)
		{
			System.out.println("no se encuentra el archivo");
		}
		catch (EOFException e)
		{
		    System.out.println("Final de Stream");
		}

	}
	public static boolean checkRotation(int n, int m)
	{
		String num=Integer.toString(n);
		String ref=Integer.toString(m);
		if(num.length()==ref.length())
		{
			int l=num.length();
			String temp=num;
			for(int z=1;z<l;z++)
			{
				temp=temp.substring(1,l);
				temp+=num.charAt(z-1);
				if(temp.equals(ref))
					return true;
			}
		}
		return false;
	}
}