package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

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

public class Q3
{
	public static boolean isPermut (int a, int b)
	{
		String str = String.valueOf (a);
		for (int i = 1; i < str.length(); i++)
		{
			str = str.charAt (str.length() - 1) + str.substring (0, str.length() - 1);
			if (Integer.parseInt (str) == b)
			{
				return true;
			}
		}
		return false;
	}
	
	public static void main (String[] args) throws IOException
	{
		BufferedReader reader = new BufferedReader (new FileReader ("input-q3.txt"));
		PrintWriter writer = new PrintWriter ("output-q3.txt");
		String line = reader.readLine();
		int nb = Integer.parseInt (line);
		for (int i = 0; i < nb; i++)
		{
			line = reader.readLine();
			String[] tokens = line.split (" ");
			int min = Integer.parseInt (tokens[0]);
			int max = Integer.parseInt (tokens[1]);
			
//			System.out.printf ("\nmin %d, max %d\n", min, max);
			
			// Try all rotations
			int counter = 0;
			
			Set<Integer> set = new HashSet<Integer>();
			
			for (int val = min; val < max; val++)
			{
				String str = String.valueOf (val);
				int nbDigits = str.length();
//				System.out.println("Val : " + val + " with " + nbDigits + " digits");
				int major = String.valueOf (max).charAt (0) - '0';
				set.clear();
				
				for (int j = 1; j < nbDigits; j++)
				{
					char last = str.charAt (nbDigits - 1);
					str = str.charAt (nbDigits - 1) + str.substring (0, nbDigits - 1);
					if (last != '0' && (last - '0') <= major)
					{
//						System.out.println ("  Trying " + str);
						int res = Integer.valueOf (str);
						if (res <= max && res > val && ! set.contains (res))
						{
//							System.out.printf ("    (%d, %d)\n", val, res);
							set.add (res);
							if (! (val != res && val < res && val >= min && res <= max && isPermut (res, val)))
							{
								System.out.println("ERROR");
							}
							counter++;
						}
					}
				}
			}
//			System.out.println ("Counter : " + counter);
			writer.println ("Case #" + (i + 1) + ": " + counter);
		}
		writer.close();
		reader.close();
	}
}