package jp.funnything.competition.util;

import java.math.BigInteger;

/**
 * Utility for BigInteger
 */
public class BI {
    public static BigInteger ZERO = BigInteger.ZERO;
    public static BigInteger ONE = BigInteger.ONE;

    public static BigInteger add( final BigInteger x , final BigInteger y ) {
        return x.add( y );
    }

    public static BigInteger add( final BigInteger x , final long y ) {
        return add( x , v( y ) );
    }

    public static BigInteger add( final long x , final BigInteger y ) {
        return add( v( x ) , y );
    }

    public static int cmp( final BigInteger x , final BigInteger y ) {
        return x.compareTo( y );
    }

    public static int cmp( final BigInteger x , final long y ) {
        return cmp( x , v( y ) );
    }

    public static int cmp( final long x , final BigInteger y ) {
        return cmp( v( x ) , y );
    }

    public static BigInteger div( final BigInteger x , final BigInteger y ) {
        return x.divide( y );
    }

    public static BigInteger div( final BigInteger x , final long y ) {
        return div( x , v( y ) );
    }

    public static BigInteger div( final long x , final BigInteger y ) {
        return div( v( x ) , y );
    }

    public static BigInteger mod( final BigInteger x , final BigInteger y ) {
        return x.mod( y );
    }

    public static BigInteger mod( final BigInteger x , final long y ) {
        return mod( x , v( y ) );
    }

    public static BigInteger mod( final long x , final BigInteger y ) {
        return mod( v( x ) , y );
    }

    public static BigInteger mul( final BigInteger x , final BigInteger y ) {
        return x.multiply( y );
    }

    public static BigInteger mul( final BigInteger x , final long y ) {
        return mul( x , v( y ) );
    }

    public static BigInteger mul( final long x , final BigInteger y ) {
        return mul( v( x ) , y );
    }

    public static BigInteger sub( final BigInteger x , final BigInteger y ) {
        return x.subtract( y );
    }

    public static BigInteger sub( final BigInteger x , final long y ) {
        return sub( x , v( y ) );
    }

    public static BigInteger sub( final long x , final BigInteger y ) {
        return sub( v( x ) , y );
    }

    public static BigInteger v( final long value ) {
        return BigInteger.valueOf( value );
    }
}

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);
		}

	}
}