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.*;
import java.io.*;

public class CodeJam {
    public static void main(String[] args) {
        try {
            //recycleLarge(1000000, 2000000);
            // read
            FileInputStream instream = new FileInputStream("A-small.in");
            DataInputStream in = new DataInputStream(instream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));

            // write
            FileOutputStream outstream = new FileOutputStream("A-small.out");
            DataOutputStream out = new DataOutputStream(outstream);
            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(out));

            // reading file information
            int testcases = Integer.parseInt(br.readLine());
            for (int i = 0; i < testcases; i++) {
                // -------------------------------------------------------------------------------------------------------------
                String line = br.readLine();
                String[] items = line.split(" ");
                int A = Integer.parseInt(items[0]);
                int B = Integer.parseInt(items[1]);
                // -------------------------------------------------------------------------------------------------------------
                bw.write("Case #" + (i + 1) + ": " + recycleLarge(A, B) + "\r\n");
            }

            // close input file
            in.close();
            // close output file
            bw.flush();
            out.close();
        } catch (Exception e) {
            System.err.println("Error: " + e.getMessage());
        }
    }

    private static int eval(int i) {
        if (i < 0)
            return 0;
        else
            return i;
    }

    private static void printArray(Object[] array) {
        for (Object ch : array)
            System.out.print(ch);
    }

    private static boolean isRecycled(String str, String m) {
        for (int i = 1; i < str.length(); i++) {
            String digits = str.substring(i) + str.substring(0, i);
            if (digits.equals(m)) return true;
        }
        return false;
    }

    private static String convertTo(int n) {
        String str = "";
        while (n != 0) {
            str = (n % 10) + str;
            n = n / 10;
        }
        return str;
    }

    private static long recycle(int A, int B) {
        long count = 0;
        for (int n = A; n < B; n++) {
            for (int m = n + 1; m <= B; m++) {
                String nstr = convertTo(n);
                String mstr = convertTo(m);
                if (isRecycled(nstr, mstr))
                    count++;
            }
        }
        return count;
    }

    private static long evaluate(int n, int A, int B) {
        String nstr = convertTo(n);
        int c = 0;
        for (int i = 1; i < nstr.length(); i++) {
            String digits = nstr.substring(i) + nstr.substring(0, i);
            int variation = Integer.parseInt(digits);
            if(digits.charAt(0) == '0') continue;
            if (digits.equals(nstr)) continue;
            if (variation <= B && variation >= A){
                visit[variation] = true;
                c++;
            }

        }
        return sum(c);
    }

    private static long sum(int n){
        return n * (n+1) / 2;
    }

    private static long recycleLarge(int A, int B) {
        long sum = 0;
        visit = new boolean[B+1];
        for(int i=0; i<B; i++) visit[i] = false;
        for (int n = A; n <= B; n++) {
            if (visit[n] == false)
                sum += evaluate(n, A, B);
        }
        return sum;
    }

    private static boolean[] visit = null;


}

