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.io.*;
import java.util.*;

/**
 * @author: Ignat Alexeyenko
 * Date: 4/14/12
 */
public class RecycledNumbersMain {

    public static final int MAX_LENGTH = 40;

    public static void main(String[] args) {
        RecycledNumbersMain main = new RecycledNumbersMain();
        main.runConsoleApp(System.in, System.out);
    }

    public void runConsoleApp(InputStream inputStream, OutputStream outputStream) {
        final String s = readLn(inputStream, MAX_LENGTH);
        Integer cases = Integer.valueOf(s);
        Writer writer = new OutputStreamWriter(outputStream);
        for (int i= 0; i < cases; i++) {
            String edgesRaw = readLn(inputStream, MAX_LENGTH);
            String[] edgesArr = edgesRaw.split(" ");

            long low = Long.valueOf(edgesArr[0]);
            long hi = Long.valueOf(edgesArr[1]);
            try {
                writer.write("Case #" + (i + 1) + ": " + recycledNumbersInterval(low, hi) + "\n");
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        try {
            writer.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    long recycledNumbersInterval(final long low, final long hi) {
        Map<Long, Long> resultMap = recycledNumbersInternalCollection(low, hi);
        long counter = 0;
        for (Long num : resultMap.keySet()) {
            Long permSum = resultMap.get(num);
            if (permSum != null && permSum > 0) {
                counter += permSum;
            }
        }
        return counter;
    }

    Map<Long, Long> recycledNumbersInternalCollection(long low, long hi) {
        // number -> permutations size
        Map<Long, Long> resultMap = new HashMap<Long, Long>(1024);

        long i = hi;
        while (i >= low) {

            Set<Long> permutations = permute(i, low, hi);
            resultMap.put(i, (long) permutations.size());
            i--;
        }
        return resultMap;
    }

    Set<Long> permute(long number, final long low, final long hi) {
        if (number < 10) {
            return Collections.emptySet();
        }

        Set<Long> resultSet = new HashSet<Long>();
        
        // for input 1204 create a string 12041204
        String permBasic = "" + number + "" + number;
        final int numberSize = permBasic.length() / 2;
        // start from 1, as we don't want to include original to set of permutations
        for (int i = 1; i <= numberSize; i++) {
            String substring = permBasic.substring(i, i + numberSize);
            if (substring.startsWith("0")) {
                // skip trailing zeroes
                continue;
            }
            Long thePermutation = Long.valueOf(substring);
            if (thePermutation < number && (thePermutation >= low && thePermutation <= hi)) {
                resultSet.add(thePermutation);
            }
        }
        return resultSet;
    }


    private String readLn(InputStream inputStream, int maxLength) {  // utility function to read from stdin,
        // Provided by Programming-challenges, edit for style only
        byte line[] = new byte[maxLength];
        int length = 0;
        int input = -1;
        try {
            while (length < maxLength) {//Read untill maxlength
                input = inputStream.read();
                if ((input < 0) || (input == '\n')) break; //or untill end of line ninput
                line[length++] += input;
            }

            if ((input < 0) && (length == 0)) return null;  // eof
            return new String(line, 0, length);
        } catch (IOException e) {
            return null;
        }
    }
}
