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 Recycled {
	
	class Case{
		int[] limits = null;
		HashSet<String> counted = new HashSet<String>();
		public Case(int[] limits){
			this.limits = limits;
		}

		public int getResult(){
			int k = 0;
			for(int i = limits[0]; i<=limits[1]; i++){
				for(int j=1; j<(""+i).length(); j++){
						try{
							k = shift(i, j);					
							updateCount(limits[0], limits[1], i, k);
							updateCount(limits[0], limits[1], k, i);
						}
						catch(RuntimeException re){
							continue;
						}
				}
			}
			return counted.size();
		}

		public void updateCount(int A, int B, int n, int m){
			if((!counted.contains(n+","+m)) && ( A <= n && m > n && m <= B)){
				counted.add(n+","+m);
			}
		}

		public int shift(int i, int shiftby){
			String input = ""+i;
			int shifted = Integer.parseInt(input.substring(input.length()-shiftby) + input.substring(0,input.length()-shiftby));
			if((""+shifted).length() != input.length()){
				throw new RuntimeException("INVALIDSHIFT");
			}
			return shifted;
		}
	}

	public Recycled(String file){
		BufferedReader in = null;
		PrintWriter out = null;

		try{
		    in = new BufferedReader(new InputStreamReader(new DataInputStream(new FileInputStream(file+"/input.txt"))));
			out = new PrintWriter(new BufferedWriter(new FileWriter(file+"/output.txt")), true);

			int caseId = 1;
			int result = 0;
			String line = null;
			Case c = null;

			in.readLine(); //no of cases

			while ((line = in.readLine()) != null)   {
				c = new Case(getIntArray(line));
				result = c.getResult();
				System.out.println("Case #"+caseId+ ": "+result);
				out.println("Case #"+caseId+ ": "+result);

				caseId++;
			}
		}
		catch(Exception e){
			e.printStackTrace();
		}
		finally{
			try{ out.close(); } catch(Exception ignored){}
			try{ in.close(); } catch(Exception ignored){}
		}

	}

	public String[] getStringArray(String str){
		return str.split("\\s+");
	}

	public int[] getIntArray(String str){
		String[] sArray = getStringArray(str);
		int[] iArray = new int[sArray.length];
		for(int i=0; i<sArray.length; i++){
			iArray[i] = Integer.parseInt(sArray[i]);
		}

		return iArray;
	}
		
	public static void main(String args[]) throws Exception {
		Recycled obj = new Recycled(args[0]);
	}
	
}