/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.util.HashSet;

/**
 *
 * @author vandit
 */
public class RecycleNumbers {

    private HashSet<String> numbers = new HashSet<String>();
    private HashSet<String> initialTempNumbers = new HashSet<String>();
    private HashSet<String> finalTempNumbers = new HashSet<String>();

    HashSet<Pair> numberPairs = new HashSet<Pair>();


    private void findRecycledNumbers(int start, int end, int places) {


        for (int i = start; i <= end; i++) {
            String initialNumber = Integer.toString(i);
            //if (!(numbers.contains(initialNumber) || finalTempNumbers.contains(initialNumber))) {

                StringBuffer tempNumber = new StringBuffer(initialNumber);
                int len = tempNumber.length();
                int startIndexToMove = len - places;
                String tempString = tempNumber.substring(startIndexToMove);
                if ((places == 1 && tempString.equals("0")) || tempString.charAt(0) == '0') {
                    continue;
                }
                tempNumber.delete(startIndexToMove, len);
                String finalTempNumber = tempString + tempNumber.toString();

                if (! (finalTempNumber.equals(initialNumber) || Integer.parseInt(finalTempNumber) > end || Integer.parseInt(finalTempNumber) < Integer.parseInt(initialNumber))) {
                    numbers.add(initialNumber);
                    finalTempNumbers.add(finalTempNumber);
                    Pair pair = new Pair(finalTempNumber,initialNumber);
                    numberPairs.add(pair);
                }
            }

        

    }

    public HashSet<Pair> findAllRecycledNumbers(int start, int end) {
        int length = Integer.toString(start).length();
        for (int i = 1; i < length; i++) {
            findRecycledNumbers(start, end, i);
        }
        return numberPairs;
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;


public class CodeJamSolverRecycle {
	
	public static HashMap<Integer,ArrayList<Integer>> valueToIndexMap=new HashMap<Integer,ArrayList<Integer>>();
	public static void main(String[] args) {
		
		
		int numTestCases=0;
		int numLinePerTestCase=1;
		int currentCase=0;
		String inputFileName="C-small-attempt0.in";		
		//String inputFileName="input.in";
		
		BufferedReader br=null;
		StringBuilder solutionString=new StringBuilder();
		
		int lineCount=0;
		try{
			String line;
			br=new BufferedReader(new FileReader(inputFileName));
			while((line=br.readLine())!=null){
				lineCount++;
				if(lineCount==1){
					numTestCases=Integer.parseInt(line);
					continue;
				}
				
				String[] splittedLine=line.split("\\s+");
				long a=Long.parseLong(splittedLine[0]);
				long b=Long.parseLong(splittedLine[1]);
				
				String solution=getSolution(a,b);
				System.out.println(solution);
				currentCase++;
				solutionString.append("Case #"+currentCase+": "+solution+"\n");				
					
			}
			br.close();
			writeTextToFile(inputFileName.replace(".in", ".out"), solutionString.toString().trim());
			
		}
		catch(IOException ex){
			System.out.println("Unable to read from file!");
			ex.printStackTrace();
		}

	}

	private static String getSolution(long a, long b) {

		HashSet<String> resultSet=new HashSet<String>();
		for(long n=a;n<=b;n++){
			String nString=Long.toString(n);			
			for(int i=1;i<nString.length();i++){
				String firstPart=nString.substring(0,nString.length()-i);
				String secondPart=nString.substring(nString.length()-i,nString.length());
				String mString=secondPart+firstPart;
				long m=Long.parseLong(mString);

				if(nString.length()!=Long.toString(m).length())
					continue;
				if(a<=n && n<m && m<=b){
					resultSet.add(Long.toString(n)+","+Long.toString(m));
				}
				
				
			}			
		}
		return resultSet.size()+"";
	}

	

		

	private static int[] getIntArrayFromStringLine(String line) {
		String[] stringArray=line.split("\\s+");
		int length=stringArray.length;
		int intArray[]=new int[length];
		valueToIndexMap=new HashMap<Integer,ArrayList<Integer>>();
		for(int i=0;i<length;i++){
			intArray[i]=Integer.parseInt(stringArray[i]);
			ArrayList<Integer> indicesList=new ArrayList<Integer>(); 
			if(valueToIndexMap.containsKey(intArray[i])){
				indicesList=valueToIndexMap.get(intArray[i]);
			}
			indicesList.add(i);
			valueToIndexMap.put(intArray[i], indicesList);
		}
		return intArray;
	}
	public static void writeTextToFile(String fileName, String textToWrite){
		try{
			BufferedWriter bw= new BufferedWriter(
					new FileWriter(fileName));
			bw.write(textToWrite);
			bw.close();
		}
		catch(IOException ex){
			System.out.println("Unable to write to file!");
			ex.printStackTrace();
			
		}
	}

}

