/*
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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.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

import com.ibm.db2.jcc.am.s;


public class C {
    private static final String INPUT_FILE = "d:/C-small-attempt0.in";
    private static final String OUTPUT_FILE = "d:/result.txt";
    private static final int MAX_VALUE = 2000000;
    private static int T;
    static int[] d = new int[1 + MAX_VALUE];
    static int a, b;
    static long[] result;
    
    static void init() {
        for (int i = 1; i <= MAX_VALUE; ++i) {
            if (d[i] != 0) {
                continue;
            }
            d[i] = i;
            String s = "" + i;
            for (int j = 0; j < s.length(); ++j) {
                s = s.substring(1) + s.charAt(0);
                if (s.charAt(0) != '0') {
                    int v = Integer.parseInt(s);
                    if (v > MAX_VALUE) continue;
                    d[Integer.parseInt(s)] = i;
                }
            }
        }
    }
    
    static void Input() throws Exception {
        InputStream in = new FileInputStream(INPUT_FILE);
//        InputStream in = System.in;
        Scanner scanner = new Scanner(in);
        T = scanner.nextInt();
        result = new long[T + 1];

        for (int i = 0; i < T; ++i) {
            a = scanner.nextInt();
            b = scanner.nextInt();
            solve(i, a, b);
        }
    }
    
    static void solve(int c, int a, int b) {
        long rst = 0;
        int[] map = new int[MAX_VALUE + 1];
        for (int i = a; i <= b; ++i) {
            ++map[d[i]];
        }
        for (int i = a; i <= b; ++i) {
            if (map[d[i]] > 0) {
                int v = map[d[i]];
                rst += 1L * v * (v - 1) / 2;
                map[d[i]] = 0;
            }
        }
        result[c] = rst;
    }
    
    static void Output() throws Exception {
        FileWriter writer = new FileWriter(new File(OUTPUT_FILE));
        for (int i = 0; i < T; ++i) {
            String rs = "Case #" + (i + 1) + ": " + (result[i]) + "\n";
            writer.write(rs);
            System.out.println(rs);
        }
        writer.close();
    }
    
    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        long start = System.currentTimeMillis();
        init();
//        System.out.println(System.currentTimeMillis() - start);
        Input();
        Output();
    }
}
