/*
 * 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.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.Arrays;
import java.util.HashSet;

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

/**
 *
 * @author Alex
 */
public class Recycle {
    private class Data {
        public int A;
        public int B;
        public HashSet<String> list;
        
        public Data(String s) {
            String[] parts = s.trim().split(" ");
            A = Integer.parseInt(parts[0]);
            B = Integer.parseInt(parts[1]);
            list = new HashSet<String>();
        }
        
        public Data(int n_) {
        
        }
        
        public int Solve() {
            list.clear();
            int sols = 0;
            for (int i=A;i<=B;i++) {
                sols += permutate(i);
                //sols += countPerms(i);
            }
            //System.out.println(sols);
            if (sols != list.size())
                System.err.println("WTF");
            return list.size();
        }
        
        public int permutate(int i) {
            int count = 0;
            int c = i;
            int length = (int)(Math.log10(i)+1);
            int power = length-1;
            //System.out.println("Length: "+length);
            for (int h=0;h<power;h++) {
                int ones = c%10;
                int rest = c/10;
                //System.out.println("ones: "+ones);
                //System.out.println("rest: "+rest);
                c = (int)((c%10)*Math.pow(10,power)) + c/10;
                if (ones != 0 && !(""+c).replaceAll(""+ones, "").equals("") && c <= B && c > i && i >= A) {
                    count++;
                    //System.out.println(""+i+": "+c);
                    //System.out.println("Counts");
                    list.add(""+i+""+c);
                }
            }
            //System.out.println(list.size());
            return count;
        }
    }
    
    private static String IN = ".\\C-small-attempt2.in";
    private static String OUT = ".\\C-small-attempt2.out";
    
    private Data[] datas;
    
    private void go() {
        File file = new File(IN);
        System.out.println(file.getAbsolutePath());
        File fo = new File(OUT);
        try {
            if (!fo.createNewFile()) {
                fo.delete();
                fo.createNewFile();
            }
            BufferedReader br = new BufferedReader(new FileReader(file));
            BufferedWriter bw = new BufferedWriter(new FileWriter(fo));
            String line;
            int num = Integer.parseInt(br.readLine());
            datas = new Data[num];
            int i = 0;
            while ((line = br.readLine()) != null && num-->0) {
                datas[i] = new Data(line);
                int solv = datas[i].Solve();
                String ss = "Case #"+(i+1)+": "+solv+"\n";
                System.out.print(ss);
                bw.write(ss);
                i++;
            }
            br.close();
            bw.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public Recycle() {
        go();
    }
    
    public static void main(String[] args) {
        new Recycle();
    }
}
