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;
	}
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package t2;

/**
 *
 * @author KAMIKATAZ
 */

    
    
    


//~--- JDK imports ------------------------------------------------------------


import intjungle.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;

import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;

/**
 *
 * @author KAMIKATAZ
 */
public class IntJungle {

    /**
     *  @param args the command line arguments
     */
    public static void main(String[] args) {
        
        int ans=0;
       
        
        try {
            FileInputStream fstream =
                new FileInputStream("C:\\Users\\KAMIKATAZ\\Desktop\\codejam\\p3\\input.in");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader  br = new BufferedReader(new InputStreamReader(in));
            String          strLine;
            BufferedWriter  out1 = new BufferedWriter(
                                      new FileWriter(
                                          "C:\\Users\\KAMIKATAZ\\Desktop\\codejam\\p3\\out-p3.ou",
                                          true));
            String times=br.readLine();
            int T = Integer.valueOf(times);
            ToInteger converter=new ToInteger();
            int currentCase=0;
 /////////////////////////////////////////////////////////////////////////////           
            while ((strLine = br.readLine()) != null) {
/////////////////////////////////////////////////////////////////////////////                
                
                ++currentCase;
                out1.write("Case #" + String.valueOf(currentCase) + ": ");
                
                ans=0;
               Map<String, String> map = new HashMap<String, String>();
            StringTokenizer st=new StringTokenizer(strLine," ");    
               
                String a=st.nextToken();
                String b=st.nextToken();
                
                a=a.trim();
                b=b.trim();
                
                int A=Integer.valueOf(a);
                int B=Integer.valueOf(b);
               // //System.out.println("A read is : "+ A + "B read is  : "+ B);
                
                /////////////////////   LOGIC STARTS HERE //////////
                
                int nLen=0;
                //System.out.println("starting processing set : A : "+A+" B : "+ B);
                
                for (int n=A;n<B;++n){
                    
                String nStr=String.valueOf(n);
                nLen=nStr.length();
                
                String tmp=nStr;
                
                for(int i=1;i<nLen;++i){
                        
                       
                        tmp=nStr.substring(i)+nStr.substring(0, i);
                      ////System.out.println(tmp);
                        
                        if(tmp.charAt(0)!='0'){
                            
                            int r1=Integer.valueOf(tmp);
                            
                            if(r1>n  &&  r1<=B){
                                
                                if(r1!=n){
                                    //System.out.println("creating from : "+nStr+" : "+r1);
                                    
                      ++ans;         
                      
                   //  //System.out.println( map.put(String.valueOf(n), String.valueOf(r1)));
                     
                      String opop = "gigger";
                              opop=map.put(String.valueOf(n), String.valueOf(r1));
                      String op=null;
                      try{
                      if (opop.length()>0)op=opop;
                            if(op.equals(String.valueOf(r1)) ){
                                //System.out.println("\n8888888888888\n888888888888888\n\n");
                                --ans;
                            }
                      }catch(Exception e){
                          //System.out.println(e);
                      }
                                }
                                
                            }
                            
                        }
                    
                    } 
                
                }
         ///////////////////////  LOGIC ENDS HERE ////////////
             
         
         //System.out.println("ans is : "+ans + " map " +map.size() );
               
         out1.write(String.valueOf(ans));
         out1.newLine();
            }
         
            // Close the input stream
            in.close();
            out1.close();
            
            
            
            
        } catch (Exception e) {    // Catch exception if any
            //System.out.println("Error: " + e.getMessage() + "   " + e);
        }
        
         //System.out.println("*******************************\n\n");
                
         
         
    }
}


//~ Formatted by Jindent --- http://www.jindent.com
