package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

package com.brootdev.gcj2012.problemC;

import com.brootdev.gcj2012.common.Data;

import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class Main {

    private Data data;
    private long casesNumber;
    private long currentCase;

    public static void main(String[] args) throws IOException {
        new Main().go(args[0], args[1]);
    }

    public void go(String inFile, String outFile) throws IOException {
        data = new Data(inFile, outFile);
        casesNumber = data.readLongLine();
        for (currentCase = 0; currentCase < casesNumber; currentCase++) {
            data.writeCaseHeader(currentCase);
            processCase();
        }

        data.out.flush();
    }

    private void processCase() throws IOException {
        long[] longs = data.readLongsArrayLine();
        long A = longs[0];
        long B = longs[1];

        int digits = ((int) Math.log10(A)) + 1;
        long mn = (long) Math.pow(10, digits - 1);
        long sum = 0;
        Set<Long> m2 = new HashSet<Long>();
        for (long n = A; n < B; n++) {
            long m = n;
            m2.clear();
            for (int i = 1; i < digits; i++) {
                int r = (int) (m % 10);
                m = r * mn + m / 10;
                if (m <= B && n < m && ! m2.contains(m)) {
                    sum++;
                    m2.add(m);
                }
            }
        }

        data.out.println(sum);
    }
}
