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

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.HashMap;


public class Recycled {

	
	public static void main(String args[]) {
		try {
		BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream("c:\\gcj\\C\\C-small-attempt0.in")));
		String line=br.readLine();
		PrintStream ps=new PrintStream("c:\\gcj\\C\\C-Small.out");
		
		int n=Integer.parseInt(line);
			for(int i=1;i<=n;i++) {
				
				line=br.readLine();
				String[] nums=line.split(" ");
				long A=Long.parseLong(nums[0]);
				long B=Long.parseLong(nums[1]);
				ps.println("Case #"+i+": "+getCount(A,B));
										
			}
		} 
		catch(Exception e) {
			e.printStackTrace();
		}
	}
	
	public static long getCount(long A, long B) {
		//long A=1111,B=2222;
		long count=0;
		//HashMap hm=new HashMap<Integer,Integer>();
		for(long i=A;i<=B;i++)
		{
			for(long j=i+1;j<=B;j++) {
				if(j>i && isRecycled(i,j))
				{
					//hm.put(i, j);
					count++;
				}
			}	
		}
		//count=hm.size();
		//System.out.print("count : "+count);
		return count;
	}

	
	static boolean isRecycled(long n, long m) {
		long temp=n;
		int[] countN=new int[10];
		int[] countM=new int[10];
		
		int numDigits=0;
		//int[] orderN=new int[10];
		//int[] orderM=new int[10];
		for(int i=0;i<10;i++) {
			countN[i]=0;
			countM[i]=0;
			
			//orderN[i]=-1;
			//orderM[i]=-1;
		}
		//int firstDigit=0;
		while(temp!=0)
		{
			int digit=(int)temp%10;
			countN[digit]++;
			temp=temp/10;
			numDigits++;
	/*		if(temp==0)
				firstDigit=digit;
		*/		
		}

		temp=m;
		while(temp!=0)
		{
			int digit=(int)temp%10;
			countM[digit]++;
			temp=temp/10;
		}
		
		for(int i=0;i<10;i++){

			if(countN[i]!=countM[i])
				return false;
		}
		
	
		
	long denom=(long)Math.pow(10, numDigits-1);
	
	temp=m;
//	int digit=firstDigit;
	long sub=0;
	do {
	
		int firstDigit=(int)(temp/denom);
		sub=denom*firstDigit;
		//int digit=(int)temp%10;
		temp=temp-sub;
		temp=temp*10+firstDigit;
		if(temp==n)
			return true;
		
		
	}
	while(temp!=m);
	
	
		
	/*
		
		String strN=String.valueOf(n);
		StringBuilder strM=new StringBuilder(String.valueOf(m));

for(int i=0;i<strM.length();i++)
{
	char ch=strM.charAt(0);
	strM.deleteCharAt(0);
	strM.append(ch);
	if(strM.toString().equals(strN))
		return true;
	
}*/
		return false;
		
	}
}
