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.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;


public class Recycled {
	public static void main(String args[]) {
		try{
		     BufferedReader in = new BufferedReader(new FileReader("C-large.in"));
			 BufferedWriter out = new BufferedWriter(new FileWriter("C-large.out"));
			
			 String line = in.readLine();
			 int caseCount = Integer.parseInt(line);
			 
			 StringBuffer outputWriter = new StringBuffer();
			 
			 int lowCap, hiCap, digitCt, recycled, resultCount;
			 ArrayList<String> collisionHelper; 
			 
			 //caseCount = 3;
			 for(int i = 1; i <= caseCount; i++){
				 System.out.println("case: " + i);
				 line = in.readLine();
				 Scanner s = new Scanner(line);
				 lowCap = s.nextInt();
				 hiCap = s.nextInt();

				 digitCt = ("" + lowCap).length();

				 resultCount = 0;
				 
				 for(int j = lowCap; j <= hiCap; j++){
					 collisionHelper = null;
					 for(int k = 1; k < digitCt; k++){
						 recycled = cutAndSwap(j, k);
						 if(recycled > j && recycled <= hiCap){
							 if(collisionHelper == null){
								 collisionHelper = new ArrayList<String>();
								 collisionHelper.add("" + recycled);
								 resultCount++;
							 } else if(!collisionHelper.contains("" + recycled)){
								 collisionHelper.add("" + recycled);
								 resultCount++;
							 }
							 
							 //System.out.println(resultCount + " " + j + " " + recycled + " " + k);
						 }
					 }
				 }
				 
				 outputWriter.append("Case #" + i + ": ");
				 outputWriter.append(resultCount);
				 if(i != caseCount)
					 outputWriter.append("\n");
			 }

			 out.write(outputWriter.toString()); 
			 System.out.println(outputWriter.toString());
			 
			 in.close();
			 out.close();
		} catch(Exception e){
			//swallow the exception
		}		
	}
	
	//assumes 0 < position < digits in number
	public static int cutAndSwap(int number, int position){
		String s = "" + number;
		String halfOne = s.substring(0, position);
		String halfTwo = s.substring(position);
		
		return Integer.parseInt(halfTwo + halfOne);
	}
}
