package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

import java.util.HashSet;
import java.util.Set;


public class Problem3 {
	private static int getRecycledNumbersCount(int min, int max) {
		int numberOfDigits = getNumberOfDigits(min, max);
		int prefix;
		int suffix;
		int finalNumber;
		Set<String> pairs = new HashSet<String>();
		for (int i = min ; i < max; i++) {
			for (int j = 1; j<numberOfDigits; j++) {
				prefix = (int) (i % Math.pow(10, j) * Math.pow(10, numberOfDigits - j));
				suffix = (int) (i / Math.pow(10, j));
				finalNumber = prefix + suffix;
				
				if (isValid(finalNumber, i, min, max)) {
					pairs.add(i + " , " + finalNumber);
				}
				
			}
		}
		
		return pairs.size();
	}
	
	private static int getNumberOfDigits(int min, int max) {
		String s1 = String.valueOf(min);
		String s2 = String.valueOf(max);
		if (s1.length() == s2.length()) return s1.length();
		throw new RuntimeException("Minimum and Maximum values have different numberOfDigits");
	}

	private static boolean isValid(int finalNumber, int sourceNumber, int min, int max) {
		return finalNumber > sourceNumber && finalNumber <=max; 
	}

	public static void main(String[] args) {
		System.out.println(getRecycledNumbersCount(10,99));
		System.out.println(getRecycledNumbersCount(162,939));
		System.out.println(getRecycledNumbersCount(112,989));
		System.out.println(getRecycledNumbersCount(100,100));
		System.out.println(getRecycledNumbersCount(182,983));
		System.out.println(getRecycledNumbersCount(129,963));
		System.out.println(getRecycledNumbersCount(167,943));
		System.out.println(getRecycledNumbersCount(158,947));
		System.out.println(getRecycledNumbersCount(105,992));
		System.out.println(getRecycledNumbersCount(123,941));
		System.out.println(getRecycledNumbersCount(104,994));
		System.out.println(getRecycledNumbersCount(364,749));
		System.out.println(getRecycledNumbersCount(152,946));
		System.out.println(getRecycledNumbersCount(135,927));
		System.out.println(getRecycledNumbersCount(100,999));
		System.out.println(getRecycledNumbersCount(142,993));
		System.out.println(getRecycledNumbersCount(177,921));
		System.out.println(getRecycledNumbersCount(103,966));
		System.out.println(getRecycledNumbersCount(122,996));
		System.out.println(getRecycledNumbersCount(120,976));
		System.out.println(getRecycledNumbersCount(271,271));
		System.out.println(getRecycledNumbersCount(101,921));
		System.out.println(getRecycledNumbersCount(115,976));
		System.out.println(getRecycledNumbersCount(137,959));
		System.out.println(getRecycledNumbersCount(139,915));
		System.out.println(getRecycledNumbersCount(1,2));
		System.out.println(getRecycledNumbersCount(49,83));
		System.out.println(getRecycledNumbersCount(114,962));
		System.out.println(getRecycledNumbersCount(37,53));
		System.out.println(getRecycledNumbersCount(114,982));
		System.out.println(getRecycledNumbersCount(158,931));
		System.out.println(getRecycledNumbersCount(314,801));
		System.out.println(getRecycledNumbersCount(140,989));
		System.out.println(getRecycledNumbersCount(172,958));
		System.out.println(getRecycledNumbersCount(393,646));
		System.out.println(getRecycledNumbersCount(112,986));
		System.out.println(getRecycledNumbersCount(136,912));
		System.out.println(getRecycledNumbersCount(112,938));
		System.out.println(getRecycledNumbersCount(109,964));
		System.out.println(getRecycledNumbersCount(166,969));
		System.out.println(getRecycledNumbersCount(150,965));
		System.out.println(getRecycledNumbersCount(150,944));
		System.out.println(getRecycledNumbersCount(104,925));
		System.out.println(getRecycledNumbersCount(102,919));
		System.out.println(getRecycledNumbersCount(175,937));
		System.out.println(getRecycledNumbersCount(189,991));
		System.out.println(getRecycledNumbersCount(133,996));
		System.out.println(getRecycledNumbersCount(190,984));
		System.out.println(getRecycledNumbersCount(2,7));
		System.out.println(getRecycledNumbersCount(744,744));
	}
}
