/*
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 * 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.*;
import java.util.*;

/**
 * @author: Ignat Alexeyenko
 * Date: 4/14/12
 */
public class RecycledNumbersMain {

    public static final int MAX_LENGTH = 80;

    public static void main(String[] args) {
        RecycledNumbersMain main = new RecycledNumbersMain();
        main.runConsoleApp(System.in, System.out);
    }

    public void runConsoleApp(InputStream inputStream, OutputStream outputStream) {
        final String s = readLn(inputStream, MAX_LENGTH);
        Integer cases = Integer.valueOf(s);
        Writer writer = new OutputStreamWriter(outputStream);
        for (int i= 0; i < cases; i++) {
            String edgesRaw = readLn(inputStream, MAX_LENGTH);
            String[] edgesArr = edgesRaw.split(" ");

            long low = Long.valueOf(edgesArr[0]);
            long hi = Long.valueOf(edgesArr[1]);
            try {
                writer.write("Case #" + (i + 1) + ": " + recycledNumbersInterval(low, hi) + "\n");
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        try {
            writer.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    long recycledNumbersInterval(final long low, final long hi) {
        Map<Long, Set<Long>> resultMap = recycledNumbersInternalCollection(low, hi);
        long counter = 0;
        
        for (Long num : resultMap.keySet()) {
            Set<Long> permutations = resultMap.get(num);
            if (permutations.size() > 0) {
                counter += permutations.size();
            }
        }
        
//        return resultMap.size();
        return counter;
    }

    Map<Long, Set<Long>> recycledNumbersInternalCollection(long low, long hi) {
        // number -> permutations
        Map<Long, Set<Long>> resultMap = new HashMap<Long, Set<Long>>(1024);

        long i = hi;
        while (i >= low) {

            Set<Long> permutations = permute(i, low, hi);
            resultMap.put(i, permutations);
            i--;
        }
        return resultMap;
    }

    Set<Long> permute(long number, final long low, final long hi) {
        if (number < 10) {
            return Collections.emptySet();
        }

        Set<Long> resultSet = new HashSet<Long>();
        
        // for input 1204 create a string 12041204
        String permBasic = "" + number + "" + number;
        final int numberSize = permBasic.length() / 2;
        // start from 1, as we don't want to include original to set of permutations
        for (int i = 1; i <= numberSize; i++) {
            String substring = permBasic.substring(i, i + numberSize);
            if (substring.startsWith("0")) {
                // skip trailing zeroes
                continue;
            }
            Long thePermutation = Long.valueOf(substring);
            if (thePermutation < number && (thePermutation >= low && thePermutation <= hi)) {
                resultSet.add(thePermutation);
            }
        }
        return resultSet;
    }


    private String readLn(InputStream inputStream, int maxLength) {  // utility function to read from stdin,
        // Provided by Programming-challenges, edit for style only
        byte line[] = new byte[maxLength];
        int length = 0;
        int input = -1;
        try {
            while (length < maxLength) {//Read untill maxlength
                input = inputStream.read();
                if ((input < 0) || (input == '\n')) break; //or untill end of line ninput
                line[length++] += input;
            }

            if ((input < 0) && (length == 0)) return null;  // eof
            return new String(line, 0, length);
        } catch (IOException e) {
            return null;
        }
    }
}
