import java.io.*;
import java.math.BigInteger;
import java.util.*;

import org.jfree.data.function.PowerFunction2D;

public class r2a
{

	Map numMap = new HashMap();
    int output = 0;

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        r2a mk = new r2a();
        try {
            FileInputStream fstream = new FileInputStream("d:/cjinput.txt");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String str;
            int i = 0;
            while ((str = br.readLine()) != null) {
            	int begin=0,end = 0;
                i++;
                if (i == 1)
                    continue;
                mk.numMap = new HashMap();
                StringTokenizer strTok = new StringTokenizer(str, " ");
                while (strTok.hasMoreTokens()) {
                	begin =  Integer.parseInt(((String) strTok.nextToken()));
                    end = Integer.parseInt(((String) strTok.nextToken()));
                }

                mk.evaluate(i, begin, end);

            }
            in.close();
        }
        catch (Exception e) {
            System.err.println(e);
        }

    }

    private void evaluate(int rowNum, int begin, int end)
    {
    	output=0;
    	for (int i = begin; i<= end; i++) {
    		if(numMap.containsKey(Integer.valueOf(i)))
    			continue;
    		List l = getPairElems(i);
    		if (l.size() > 0) {
    			Iterator itr = l.iterator();
    			int ctr = 0;
    			ArrayList tempList = new ArrayList();
    			while (itr.hasNext()) {
    				int next = ((Integer)itr.next()).intValue();
    				if (next <= end && next > i) {
    					numMap.put(Integer.valueOf(next), i);
    					tempList.add(next);
    					ctr++;
    				}
    			}
    			ctr = getCounter(ctr+1,2);
/*    			if (tempList.size() > 0 || ctr > 0)
    				System.out.println("DD: " + i + ": " + tempList +" ; ctr = " + ctr);*/
    			output = output + ctr;
    		}
    		
    	}

        String outputStr = "Case #" + (rowNum -1) + ": " + output;
        
        System.out.println(outputStr);
    }

	private int getCounter(int n, int r) {
		int ret = 1;
		int nfactorial =1;
		for (int i = 2; i<=n; i++) {
			nfactorial = i*nfactorial;
		}
		int nrfact =1;
		for (int i = 2; i<=n-r; i++) {
			nrfact = i*nrfact;
		}
		
		return nfactorial/(2*nrfact);
	}

	private ArrayList getPairElems(int num) {
		ArrayList retList = new ArrayList();
		int temp = num;
		if (num/10 == 0)
			return retList;
		
		String str = String.valueOf(num);
		
		int arr[] = new int[str.length()];
		int x = str.length();
		while (temp/10 > 0) {
			arr[x-1] = temp%10;
			temp=temp/10;
			x--;
		}
		arr[0]=temp;
		
		int size = arr.length;
		for (int pos = size -1; pos >0; pos--) {
			if(arr[pos] == 0)
				continue;
			int pairNum = 0;
			int multiplier =1;
			for (int c=0; c < size-1; c++) {
				multiplier = multiplier*10;
			}
			pairNum = pairNum + (arr[pos]*multiplier);
			for(int ctr = pos+1, i=1; i < size; i++,ctr++) {
				if (ctr == size)
					ctr=0;
				if (multiplier!=1)
					multiplier=multiplier/10;
				pairNum = pairNum + (arr[ctr]*multiplier);
			}
			if (pairNum != num)
				retList.add(Integer.valueOf(pairNum));			
		}
		
		return retList;
	}
}

package Television;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Television {
	
	public static int Max=0;
	public static int Min = 0;
//	public static List<Pair> currentCandidate = new ArrayList<Pair>();
	public static String[] inputLines;
	public static int[] RESULTS; 
	public static void main(String args[])
	{
		try {
			readIo();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		solveProblemsFromLine();
		try {
			saveOutputFile();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public static void readIo() throws Exception
	{
		 DataInputStream in = new DataInputStream(new FileInputStream("C-large.in"));//inp2.in
		 BufferedReader br = new BufferedReader(new InputStreamReader(in));
		 int lineNum = Integer.parseInt(br.readLine());
		 inputLines = new String[lineNum];
		 RESULTS = new int[lineNum];
		 String strLine=null;
		 int count=0;
		 while ((strLine = br.readLine()) != null)
		 {
			 inputLines[count] = strLine;
			 count++;
		 }		 
	}
	
	public static void parse(String input)
	{
		String tokens[] = input.split(" ");
		Min = Integer.parseInt(tokens[0]);
		Max = Integer.parseInt(tokens[1]);		
	}
	
	public static void solveProblemsFromLine()
	{
		for(int inp=0; inp<inputLines.length;inp++)
		{
			parse(inputLines[inp]);
			try {
				RESULTS[inp] = findProperIntegers();
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
			System.out.println(RESULTS[inp]);
		} 
		
	}
	
	public static int findProperIntegers() throws Exception	
	{
		int result = 0;
		for(int integer = Min; integer<=Max; integer++)
		{
			
			ArrayList<Pair> pPair=null;
			
			if((pPair=checkValid(integer)).size()!=0)
				result+=pPair.size();
//				for(Pair childPair : pPair){
//					if(currentCandidate.contains(childPair))
//					{
//						System.out.println("repeated value");
//						continue;
//					}else
//					currentCandidate.add(childPair);
//				}
//										
//		}
//		int result = currentCandidate.size();
		
//		if(result==288)
//		{
//			for(Pair pp:currentCandidate)
//				System.out.println("("+pp.a+", "+pp.b+")");
		}
		
//		currentCandidate.clear();
		return result;
	}
	
	public static ArrayList<Pair> checkValid(int data) throws Exception
	{
		String dataStr = Integer.toString(data);
		String left, result;
		String right;
		
		ArrayList<Pair> resultPairs = new ArrayList<Pair>();
		for(int pos=1;pos<dataStr.length(); pos++)
		{
			left = dataStr.substring(0, pos);
			right = dataStr.substring(pos);
			
			result=right+left;
			int nextInt = Integer.parseInt(result);
			
			if(result.charAt(0)!='0' && nextInt>data && nextInt<=Max && nextInt!=data && data>=Min)
				resultPairs.add(new Pair(data, nextInt));
			
		}
		return resultPairs;
	}
	
	public static void saveOutputFile() throws IOException
	{
		BufferedWriter out = new BufferedWriter(new FileWriter("result.txt"));
		for(int i=0; i<RESULTS.length; i++)
		{
			out.write("Case #"+(i+1)+": "+ RESULTS[i]);
			out.newLine();
		}
		out.flush();
		out.close();
	}

}
