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.*;

public class Recycled {
    public static class Pair {
        public String a;
        public String b;

        public Pair(String a, String b) {
            this.a = a;
            this.b = b;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;

            Pair pair = (Pair) o;

            if (a != null ? !a.equals(pair.a) : pair.a != null) return false;
            if (b != null ? !b.equals(pair.b) : pair.b != null) return false;

            return true;
        }

        @Override
        public int hashCode() {
            int result = a != null ? a.hashCode() : 0;
            result = 31 * result + (b != null ? b.hashCode() : 0);
            return result;
        }
    }

    public static void main(String[] args) {
        try {
            BufferedReader in = new BufferedReader(new FileReader("C-large.in"));
            PrintWriter out = new PrintWriter(new FileWriter("C-large.out"));

            int cases = Integer.valueOf(in.readLine().trim());
            for (int i =0; i < cases; i++) {
                StringTokenizer st = new StringTokenizer(in.readLine().trim());
                int a = Integer.valueOf(st.nextToken().trim());
                int b = Integer.valueOf(st.nextToken().trim());
                int pairs = solve(a, b);
                out.println(String.format("Case #%d: %d", i+1, pairs));
            }
            in.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static int solve(int a, int b) {
        Set<Pair> pairs = new HashSet<Pair>();
        String aStr = String.valueOf(a);
        String bStr = String.valueOf(b);
        int digits = aStr.length();
        for (int i = a; i < b; i++) {
            String iStr = String.valueOf(i);
            String s = iStr+iStr;
            for (int j = 0; j < digits; j++) {
                String recycled = s.substring(j, j + digits);
                if (recycled.compareTo(iStr) > 0 && recycled.compareTo(bStr) <= 0) {
                    pairs.add(new Pair(iStr, recycled));
                }
            }
        }
        return pairs.size();
    }
}
