/*
 * 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.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;


public class Qualification_C {
	
	private static final boolean DEBUG = false;

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {

		List<String> input = readFile(args[0]);
		int testCases = Integer.parseInt(input.get(0));
		String outputFilename = args[0].substring(0, args[0].length() - 2) + "out";
		
		FileOutputStream output = new FileOutputStream(outputFilename);
		
		try {
			for (int i = 1; i <= testCases; i++) {
				String[] splitted = input.get(i).split(" ");
				int min = Integer.parseInt(splitted[0]);
				int max = Integer.parseInt(splitted[1]);
				
				outputResult(output, i, String.valueOf(getNoOfDistinctPair(min, max)));
			}
		} finally {
			
			if (output != null) {
				output.close();
			}
		}
	}
	
	public static int getNoOfDistinctPair(int min, int max) {
		
		int result = 0;
		int value1 = min;
		int value2 = value1 + 1;
		
		while (value1 != value2 && value1 <= max) {
			String value1Str = String.valueOf(value1);
			value2 = value1 + 1;
			
			while (value2 <= max) {
				String value2Str = String.valueOf(value2);
				StringBuilder compareValue = new StringBuilder(value2Str);
				
				for (int i = 0; i < value2Str.length(); i++) {
//					debug("compare: " + value1Str + " == " + compareValue.toString());
					if (value1Str.equals(compareValue.toString())) {
						debug(value1Str + " == " + value2Str + ": " + value1Str + " = " + compareValue.toString());
						result++;
						break;
					}
					compareValue.append(compareValue.charAt(0));
					compareValue.deleteCharAt(0);
				}
				
				value2++;
			}
			value1++;
		}
		
		return result;
	}
	
	public static List<String> readFile(String filename) throws IOException {

		List<String> lines = new ArrayList<String>();
		BufferedReader reader = new BufferedReader(new InputStreamReader(
				new FileInputStream(filename)));

		try {
			String data;
			while ((data = reader.readLine()) != null) {
				lines.add(data);
			}
		} finally {
			reader.close();
		}
		
		return lines;
	}
	
	private static void outputResult(FileOutputStream output, int caseNo, String result) throws IOException {
		output.write(String.format("Case #%d: %s\r\n", caseNo, result).getBytes());
	}

	private static void debug(String debug) {
		if (DEBUG) {
			System.out.print(debug + "\r\n");
		}
	}
}
