import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;

public class ReadFile {
	public static void main(String[] args) throws Exception {
		String srcFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt1.in.txt";
		String destFile = "C:" + File.separator + "Documents and Settings"
				+ File.separator + "rohit" + File.separator + "My Documents"
				+ File.separator + "Downloads" + File.separator
				+ "C-small-attempt0.out";
		File file = new File(srcFile);
		List<String> readData = new ArrayList<String>();
		FileReader fileInputStream = new FileReader(file);
		BufferedReader bufferedReader = new BufferedReader(fileInputStream);
		StringBuilder stringBuilder = new StringBuilder();
		String line = null;
		while ((line = bufferedReader.readLine()) != null) {
			readData.add(line);
		}
		stringBuilder.append(generateOutput(readData));
		File writeFile = new File(destFile);
		if (!writeFile.exists()) {
			writeFile.createNewFile();
		}
		FileWriter fileWriter = new FileWriter(writeFile);
		BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
		bufferedWriter.write(stringBuilder.toString());
		bufferedWriter.close();
		System.out.println("output" + stringBuilder);
	}

	/**
	 * @param number
	 * @return
	 */
	private static String generateOutput(List<String> number) {
		StringBuilder stringBuilder = new StringBuilder();
		for (int i = 0; i < number.size(); i++) {
			if (i == 0) {
				continue;
			} else {
				String tempString = number.get(i);
				String[] temArr = tempString.split(" ");
				stringBuilder.append("Case #" + i + ": ");
				stringBuilder.append(getRecNumbers(temArr[0], temArr[1]));
				stringBuilder.append("\n");
			}
		}
		if (stringBuilder.length() > 0) {
			stringBuilder.deleteCharAt(stringBuilder.length() - 1);
		}
		return stringBuilder.toString();
	}

	// /* This method accepts method for google code jam */
	// private static String method(String value) {
	// int intValue = Integer.valueOf(value);
	// double givenExpr = 3 + Math.sqrt(5);
	// double num = Math.pow(givenExpr, intValue);
	// String valArr[] = (num + "").split("\\.");
	// int finalVal = Integer.valueOf(valArr[0]) % 1000;
	//
	// return String.format("%1$03d", finalVal);
	//
	// }
	//
	// /* This method accepts method for google code jam */
	// private static String method2(String value) {
	// StringTokenizer st = new StringTokenizer(value, " ");
	// String test[] = value.split(" ");
	// StringBuffer str = new StringBuffer();
	//
	// for (int i = 0; i < test.length; i++) {
	// // test[i]=test[test.length-i-1];
	// str.append(test[test.length - i - 1]);
	// str.append(" ");
	// }
	// str.deleteCharAt(str.length() - 1);
	// String strReversedLine = "";
	//
	// while (st.hasMoreTokens()) {
	// strReversedLine = st.nextToken() + " " + strReversedLine;
	// }
	//
	// return str.toString();
	// }

	private static int getRecNumbers(String no1, String no2) {

		int a = Integer.valueOf(no1);
		int b = Integer.valueOf(no2);
		Set<String> dupC = new HashSet<String>();
		for (int i = a; i <= b; i++) {
			int n = i;
			List<String> value = findPerm(n);
			for (String val : value) {
				if (Integer.valueOf(val) <= b && Integer.valueOf(val) >= a
						&& n < Integer.valueOf(val)) {
					dupC.add(n + "-" + val);
				}
			}
		}
		return dupC.size();
	}

	private static List<String> findPerm(int num) {
		String numString = String.valueOf(num);
		List<String> value = new ArrayList<String>();
		for (int i = 0; i < numString.length(); i++) {
			String temp = charIns(numString, i);
			if (!temp.equalsIgnoreCase(numString)) {
				value.add(charIns(numString, i));
			}
		}
		return value;

	}

	public static String charIns(String str, int j) {
		String begin = str.substring(0, j);
		String end = str.substring(j);
		return end + begin;
	}
}
/**

 E-Mail : dibakar.nandi@gmail.com
 Short Name : dibakar

 **/


import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.math.BigDecimal;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.StringTokenizer;

import sun.security.util.BigInt;

public class QC {
  
    public static void main(String[] args) {
       new QC().read();
    }
    public void read()
    {
    	String dirName="D:\\CodeJam\\";
    	//String fileName="A-test";
    	//String fileName="qcp";
    	String fileName="C-small-attempt1";//C-small-attempt0";
        String inputPath=dirName+fileName+".in";
        String outputPath=dirName+fileName+".out";
       
        try{
             FileInputStream fstream = new FileInputStream(inputPath);
             DataInputStream in = new DataInputStream(fstream);
             BufferedReader br = new BufferedReader(new InputStreamReader(in));
             String strLine;
             String output="";
             String caseOutPut="";
            String inputs[];
            int caseCount=0;
            String answer;
            //Reading Input
             if((strLine = br.readLine()) != null){
                while ((strLine = br.readLine()) != null)   {
                     
                	int[] input = parseIntInput(strLine," ");
        
                	if("".equals(caseOutPut))
                   	  caseOutPut="Case #"+(++caseCount)+": "+solve(input[0],input[1]);
                     else
                   	  caseOutPut="\n"+"Case #"+(++caseCount)+": "+solve(input[0],input[1]);
                    output+=caseOutPut;
                 }
             }
             
             System.out.println(output);
             FileWriter fw = new FileWriter(outputPath);
             fw.write(output);
             fw.close();
        }
        catch(Exception e){
            e.printStackTrace();
        }
       
    }
    public  String solve(int a,int b){
    	System.out.println("a ="+a);
    	System.out.println("b ="+b);
    	int count=0;
    	HashMap mymap=new HashMap();	
    	for(int i=a;i<b;i++)
    	{
            String num=""+i;
           // System.out.println("num ="+num);
           if(num.length()>1)
            for(int j=1;j<num.length();j++){
            	//System.out.println("num 1="+num.substring(0,0+j));
            	//System.out.println("num 2="+num.substring(j));
            	int newnum=Integer.valueOf(num.substring(j)+num.substring(0,0+j));
            	//System.out.println("get "+newnum);
            	if(a<=Integer.valueOf(num) && Integer.valueOf(num)<newnum && newnum<=b)
            	{
            	 //   System.out.println(num+","+newnum);

            		mymap.put(Integer.valueOf(num+newnum), num);
//            		
            	//	if(mymap.get(num)!=null && mymap.get(newnum)!=null && mymap.get(num).equals(mymap.get(newnum))))
            		//if(mymap.get(Integer.valueOf(num))!=null )
            		//{
            			//System.out.println((++count)+","+num+","+newnum);
            		//}
            		
            	}
            }
            
    	}
    	return ""+mymap.size();
    }
    public String[] parseStrInput(String data){
    	
    	
    	String dataList[]= new String[data.length()];
    	for(int i=0;i<data.length();i++)
    		    dataList[i]=""+data.charAt(i);
        
       
        return dataList;
    }

    public int[] parseIntInput(String data,String divider){
    	StringTokenizer st = new StringTokenizer(data,divider);
    	int dataList[]= new int[st.countTokens()];
        
        String token;
        int count=0;
        while(st.hasMoreTokens()) {
            token = st.nextToken();
            dataList[count++]=Integer.valueOf(token);
        
        } 
        return dataList;
    }
    public String[] parseStringInput(String data,String divider){
    	   
   	    StringTokenizer st = new StringTokenizer(data,divider);
   	
   	   String dataList[]= new String[st.countTokens()];
      
       String token;
       int count=0;
       while(st.hasMoreTokens()) {
           token = st.nextToken();
           dataList[count++]=token;
       
       } 
       return dataList;
  }
    
    
}
