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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;


public class CSol {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		Date d1 = new Date();
		//solveC("c.in", "c.out");
		//solveC("C-small-attempt0.in", "C-small-attempt0.out");
		solveC("C-large.in", "C-large.out");
		Date d2 = new Date();
		System.out.println("time: " + (d2.getTime() - d1.getTime()) + " ms");

	}

	private static void solveC(String in, String out) {
		try {
			FileReader fis = new FileReader(in);
			BufferedReader  dis = new BufferedReader (fis);
			
			FileWriter fw = new FileWriter(out);
			BufferedWriter bw = new BufferedWriter(fw);

			
			int t = Integer.parseInt(dis.readLine());
			for (int i = 0; i < t; i++) {
				String e = dis.readLine();
				String ee[] = e.split(" ");
				int a = Integer.parseInt(ee[0]);
				int b = Integer.parseInt(ee[1]);
				//System.out.println(a +  " " + b);
				
				
				String result = ""+solve(a,b);
				//System.out.println(result);
				
				bw.write("Case #" + (i+1) + ": " + result + "\n");
			}
			
			
			bw.flush();
			bw.close();
			fw.close();
			dis.close();
			fis.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			
		}
	}

	private static long solve(int a, int b) {
		long sum = 0;
		//System.out.println("solve: " + a+ " " + b);
		ArrayList<String> uniq = new ArrayList<String>();
		
		
		for (int ii = a; ii <= b; ii++) {
			//System.out.println(ii);

			String s = "" +ii;
			String rot = "" + s+s;
			
			
			
			for (int i = 1; i < s.length(); i++) {
				String r = rot.substring(i, i+s.length());
				if (r.charAt(0) == '0') 
					continue;
								
				if (s.compareTo(r) < 0) {
					if (r.compareTo(""+b) <= 0) {
						if (r.compareTo(""+a) >= 0) {
							if (!uniq.contains(s+r)) {
								uniq.add(s+r);
								//System.out.println(s + " " + r);
								sum++;
							}
						}
					}
				}
			}
			
		}
		
		return sum;
	}

}
