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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.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Scanner;

public class Main {

	private static final int[][] cache;
	private static final int A = 0, B = 2000000;

	static {
		try {
			File f = new File("cache");
			if (f.exists()) {
				cache = (int[][]) new ObjectInputStream(new FileInputStream(f)).readObject();
			} else {
				cache = new int[B+1][];
				for (int j = 12; j < B; j++) {
					int permutation = String.valueOf(j).length();
					HashMap<Integer, Boolean> hit = new HashMap<Integer, Boolean>();
					for (int z = 1; z < permutation; z++) {
						int div = (int) Math.pow(10, z);
						if (j % div >= div / 10) {
							int newnum = j / div + j % div * (int) Math.pow(10, permutation - z);
							if (newnum >= A && newnum <= B && newnum > j) {
								if (hit.get(newnum) == null) {
									hit.put(newnum, true);
								}
							}
						}
					}
					ArrayList<Integer> l = new ArrayList<Integer>(hit.keySet());
					Collections.sort(l);
					int[] vals = new int[l.size()];
					for (int i = 0; i < l.size(); i++) {
						vals[i] = l.get(i);
					}
					cache[j] = vals;
				}

				new ObjectOutputStream(new FileOutputStream(f)).writeObject(cache);
			}
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}

	public static void main(String[] args) throws Exception {
		Scanner s = new Scanner(new File("input"));
		BufferedWriter w = new BufferedWriter(new FileWriter(new File("output")));
		int cases = s.nextInt();
		for (int i = 0; i < cases; i++) {
			s.nextLine();
			int a = s.nextInt();
			if (a < 12) {
				a = 12;
			}
			int b = s.nextInt();

			int answer = 0;

			for (int j = a; j < b; j++) {
				int[] vals = cache[j];
				for (int val : vals) {
					if (val < 0) {
						continue;
					}
					if (val > b) {
						break;
					}
					answer++;
				}
			}

			w.write("Case #");
			w.write(String.valueOf(i + 1));
			w.write(": ");

			w.write(String.valueOf(answer));

			w.write("\n");
		}
		w.close();
	}

}
