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;
	}
}

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

/**
 * 
 */

/**
 * @author Pandapotan Christian
 *
 */
public class RecycledNumbers {
	/*
	 * Write string to a file with specified path
	 */
	public static void writeFile(String filePath, String content){
		try{
			PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(filePath)));
			out.write(content);
			out.close();
		}
		catch(IOException e){
			e.printStackTrace();
		}
	}
	
	/*
	 * Return array that contains each lines of the input file, null if the reading process failed
	 */
	public static ArrayList<String> getLines(String filePath){
		ArrayList<String> lines = null;
		
		try{
			lines = new ArrayList<String>();
			
			String s;	    	   
		    BufferedReader in = new BufferedReader( new FileReader(filePath));
		    while ((s = in.readLine()) != null) {
		    	lines.add(s);	      
		    }	    
		    in.close();
		}catch(IOException e){
			e.printStackTrace();
		}
		
		return lines;
	}
	
	/**
	 * Replace value with the real path
	 */
	public static final String fileIn = "D:\\CodeJam\\RecycledNumbers-large.in";	
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {

		//get input from file						
		ArrayList<String> lines = getLines(fileIn);
		
		//process data
		if(lines!=null){			
			System.out.println("System Start");
			long systemStart = System.currentTimeMillis();
			
			String firstLine = lines.get(0);
			int T = Integer.parseInt(firstLine);				
					
			//Main Algorithm			
			StringBuffer result = new StringBuffer();
			for(int testIdx = 1; testIdx<=T; testIdx++){	
				System.out.println("Test Case Number: "+testIdx);
				long start = System.currentTimeMillis();    										
				
				String param[] = lines.get(testIdx).split(" ");
				int A = Integer.parseInt(param[0]);
				int B = Integer.parseInt(param[1]);							

				int total = countRecycle(A, B);
							
				long elapsedTime = System.currentTimeMillis() - start;
				System.out.println("Case #"+testIdx+" takes "+elapsedTime+"ms.");
				
				//Append the result with the previous testcase
				result.append("Case #"+testIdx+": "+ total+"\n");
			}
			
			//write the result to a file
			String fileOut = fileIn.replace(".in", ".out");
			writeFile(fileOut, result.toString());
			
			System.out.println("SUCCESS");
			long elapsedTimeSyetem = System.currentTimeMillis() - systemStart;
			System.out.println("Time Elapsed to run whole test case: "+elapsedTimeSyetem+"ms");
				
		}			
	}
	
	public static int countRecycle(int A, int B){
		int count = 0;
		for(int i = A; i<=B; i++){
			String number = i+"";
			HashMap<Integer, Boolean> checker = new HashMap<Integer, Boolean>();
			for(int charIdx = 1; charIdx<number.length(); charIdx++){
				String newNumberString = number.substring(charIdx) + number.substring(0, charIdx);
				int newNumber = Integer.parseInt(newNumberString);
				if(newNumber>i && newNumber<=B)
					checker.put(newNumber, true);			 			
			}				
			count += checker.size();
		}
		return count;
	}
}
