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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.Collections;

public class C {

    public static void main (String[] args) { 
        int[][] numbers = new int[1001][5];
        
        try {        
            BufferedReader reader = new BufferedReader (new InputStreamReader(System.in));
            String line = reader.readLine();
            int testCases = Integer.parseInt (line.trim());

            for (int i = 0; i < testCases; i++) {
                numbers = new int[1001][5];
                line = reader.readLine();
                line.trim();
                String[] nums = line.split (" ");
                int a = Integer.parseInt(nums[0]);
                int b = Integer.parseInt(nums[1]);

                for (int j = a; j <= b; j++) {
                    String str = Integer.toString(j);
//System.out.print (str + " ");
                    int numDigits = str.length();
                    char[] digits = str.toCharArray();
                    reverseSort (digits);
                    String sortedStr = new String (digits);
                    int sortedInt = Integer.parseInt (sortedStr);
                    numbers[sortedInt][numDigits] ++;
                }

                int numFound = 0;
                for (int j = 0; j < 1001; j++) {
                    for (int k = 0; k < 5; k++) {
                        if (numbers[j][k] > 1) {
//System.out.println (" found one at " + numbers[j][k] + " comb is " + getCombination (numbers[j][k]));
//System.out.println ("j is " + j + " k is " + k);
                            numFound += getCombination(numbers[j][k]);
                        }
                    }
                }
                System.out.println ("Case #" + (i+1) + ": " + numFound);
            }

        } catch (Exception e) {
System.out.println (e);
        }
    }

    static void reverseSort (char[] digits) {
        int indexLargest = 0;
        for (int i = 1; i < digits.length; i++) {
            if (digits[i] > digits[indexLargest]) {
                indexLargest = i;
            }
        }

        while (indexLargest != 0) {
            shift (digits);
            indexLargest--;
        }
        if (digits.length == 3 && (digits[0] == digits[2])) {
            swap (digits, 2, 1);
        }
    }

    public static void shift (char[] digits) {
        char temp = digits[0];
        for (int i = 0; i < digits.length-1; i++) {
            digits[i] = digits[i+1];
        }
        digits[digits.length - 1] = temp;
    }

    public static void swap (char[] digits, int i, int j) {
        char temp = digits[i];
        digits[i] = digits[j];
        digits[j] = temp;
    }  

    public static int getCombination (int a) {
// replace with factorials?
        int numCombinations = 0;
        if (a == 2) {
            numCombinations = 1;
        } else if (a == 3) {
            numCombinations = 3;
        } else if (a == 4) {
            numCombinations = 6;
        }
        return numCombinations;
    }

}
