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.HashSet;
import java.util.Set;


public class GoogleC {
	public String szamol(String input){
		String result="";
		String a=input;
		Integer min=Integer.parseInt(a.substring(0,a.indexOf(' ')));
		a=a.substring(a.indexOf(' ')+1);
		Integer max=Integer.parseInt(a);
		Long count=0l;
		for(Integer i=min; i<=max; i++){
			String e1=i.toString();
			Set<Integer> db=new HashSet<Integer>(); 
			for (int j=1; j<e1.length();j++){
				
				String e2=e1.substring(j)+e1.substring(0,j);
				Integer k=Integer.parseInt(e2);
				if (k>i && k<=max){
					db.add(k);
					//System.out.println(e1+"\t"+e2);
				}
				
			}
			count+=db.size();
		}
		
		return count.toString();
	}
	public static void main(String[] args) {
		GoogleC a=new GoogleC();
		//String filename="input.txt";
		//String filename="C-small-attempt0.in";
		String filename="C-large.in";
		String thisLine;
		try {
			BufferedReader br = new BufferedReader(new FileReader(filename));
			BufferedWriter bw= new BufferedWriter(new FileWriter(filename+".out"));
			thisLine=br.readLine();
			Integer tnum=Integer.parseInt(thisLine);
		     for(int i=0;i<tnum;i++) { // while loop begins here
		    	 	thisLine=br.readLine();
		           System.out.println(thisLine);
		           System.out.println("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		           bw.write("Case #"+(i+1)+": "+a.szamol(thisLine)+"\n");
		         } // end while 
		        // end try
		     br.close();
		     bw.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}


	}

}

/**
 * 
 */
package org.codejam.rn;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.HashMap;
import java.util.Map;


/**
 * 
 * @author juanjo
 */
public class RecycledNumbersMain {
  
  public static String newline = System.getProperty("line.separator");
  
  
  private static void generateNumbers(Map<String, String> pairs, int A, int B, int n) {
    int m;
    String s = String.valueOf(n);
    String pair = null;
    int length = s.length() - 1;
    int[] data = new int[length];
    
    for (int i = 0; i < length; i++) {
      //s = s.charAt(length) + s.substring(0, length);   
      s = new StringBuilder().append(s.charAt(length)).append(s.substring(0, length)).toString();
      data[i] = Integer.parseInt(s);
      m = Integer.parseInt(s);
      
      if ((A <= n) && (n < m) && (m<=B)) {
        pair = new StringBuilder().append(n).append("-").append(m).toString();
        if (!pairs.containsKey(pair));
          pairs.put(pair, pair);
      }
    }   
  }
  
  private static int getRecyledPairsCount(int A, int B) {
    Map<String, String> pairs = new HashMap<String, String>();    
    for (int n = A; n <= B; n++) {
      generateNumbers(pairs, A, B, n);
    }
    return pairs.size();
  }

	/**
	 * @param args
	 */
	public static void main2(String[] args) {
	  long time = System.currentTimeMillis();
	  System.out.println("getRecyledPairsCount: " + getRecyledPairsCount(100,500));
	  System.out.println("Execution time ms.: " + (System.currentTimeMillis() - time) );
	}
	
	public static void main(String[] args) {
	  long time = System.currentTimeMillis();
    if (args.length != 2) {
      System.out.println("Usage: java " + RecycledNumbersMain.class  + " inputFile outputFile");
      System.exit(0);
    }

    int count = 0;
    BufferedReader in = null;
    FileWriter out = null;
    String line = null;
    int testCasesTotal = 0;
    int testCasesCount = 0;
    String result;
    
    int A, B;
    String s[];

    try {
      in = new BufferedReader(new FileReader(args[0]));
      out = new FileWriter(args[1]);
      
      while ( (line = in.readLine()) != null) {
        count++;
        if (count == 1) {
          testCasesTotal = Integer.valueOf(line);
          System.out.println("In file number of test cases: " + testCasesTotal + ".");
        } //if
        else {
          s = line.split(" ");
          A = Integer.parseInt(s[0]);
          B = Integer.parseInt(s[1]);    
          
          result = String.valueOf(getRecyledPairsCount(A, B));
          testCasesCount++;
          result = "Case #" + testCasesCount + ": " + result;
          System.out.println(result + " -- Line: " + testCasesCount + ": " + line);
          out.write(result + newline);
        }
      }
      if (out != null) {
        out.close();
      }
    } //try
    catch (Exception e) {
      e.printStackTrace();
    }
    finally {
      System.out.println("Execution time ms.: " + (System.currentTimeMillis() - time) );
    }
  } // Main

}
