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

public class C {

    void solve() throws IOException {
        in("C-large.in"); out("C-large.out");

        long tm = System.currentTimeMillis();
        boolean[] mask = new boolean[2000000];
        int[] r = new int[10];
        int t = readInt();
        for (int cs = 1; cs <= t; ++cs) {
            int a = readInt();
            int b = readInt();
            int ans = 0;
            for (int m = a + 1; m <= b; ++m) {
                char[] d = String.valueOf(m).toCharArray();
                int c = 0;
                for (int i = 1; i < d.length; ++i) {
                    if (d[i] != '0' && d[i] <= d[0]) {
                        int n = 0;
                        for (int j = 0; j < d.length; ++j) {
                            int jj = i + j;
                            if (jj >= d.length) jj -= d.length;
                            n = n * 10 + (d[jj] - '0');
                        }
                        if (n >= a && n < m && !mask[n]) {
                            ++ans;
                            mask[n] = true;
                            r[c++] = n;
                        }
                    }
                }
                for (int i = 0; i < c; ++i) {
                    mask[r[i]] = false;
                }
            }
            println("Case #" + cs + ": " + ans);
            //System.out.println(cs);
        }
        System.out.println("time: " + (System.currentTimeMillis() - tm));
        exit();
    }

    void in(String name) throws IOException {
        if (name.equals("__std")) {
            in = new BufferedReader(new InputStreamReader(System.in));
        } else {
            in = new BufferedReader(new FileReader(name));
        }
    }

    void out(String name) throws IOException {
        if (name.equals("__std")) {
            out = new PrintWriter(System.out);
        } else {
            out = new PrintWriter(name);
        }
    }

    void exit() {
        out.close();
        System.exit(0);
    }

    int readInt() throws IOException {
        return Integer.parseInt(readToken());
    }

    long readLong() throws IOException {
        return Long.parseLong(readToken());
    }

    double readDouble() throws IOException {
        return Double.parseDouble(readToken());
    }

    String readLine() throws IOException {
        st = null;
        return in.readLine();
    }

    String readToken() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(in.readLine());
        }
        return st.nextToken();
    }

    boolean eof() throws IOException {
        return !in.ready();
    }

    void print(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void println(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void print(Object value) {
        out.print(value);
    }

    void println(Object value) {
        out.println(value);
    }

    void println() {
        out.println();
    }

    StringTokenizer st;

    BufferedReader in;
    PrintWriter out;

    public static void main(String[] args) throws IOException {
        new C().solve();
    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class ProbC {
    
    private static final String FILEPATH = "C:\\Users\\abhineet\\desktop\\codeJam";
    private static final String INFILE_NAME = "c.in";
    private static final String OUTFILE_NAME = "c.out";
    
    private static int a =0;
    private static int b =0;
    private static int count = 0;
    private static Set<Integer> daddySet = new HashSet<Integer>();
    
    public ProbC() {
        super();
    }

    public static void main(String[] args) {
        
        List<String> inList = readFile(FILEPATH +File.separator +INFILE_NAME);
        List<String> outList = new ArrayList<String>();
        int numTestCases = Integer.parseInt(inList.get(0));
        System.out.println("Number of Test Case : " +numTestCases);
        for(int i =0 ; i< numTestCases; i++){
            processDataForAB(inList.get(i+1));
            for(int j = a; j <=b ; j++){
                if (!daddySet.contains(j)){
                    Set<Integer> retSet = getCyclicCombinations(new Integer(j).toString()); 
                    if (retSet.size() > 1){
                        count += getCombinations(retSet.size());
                    }
                }
            }
            outList.add("Case #" +i +": " +count);
            count = 0;
        }
        writeToFile(FILEPATH+File.separator+OUTFILE_NAME, outList);
    }
    
   
    
    private static int getCombinations(int n){
        return n* (n-1) /2;
    }
    
    private static Set<Integer> getCyclicCombinations(String strNum){
        int len = strNum.length();
        Set<Integer> retSet = new HashSet<Integer>();
        StringBuilder strBuilder = new StringBuilder(strNum);
        retSet.add(Integer.parseInt(strNum));
        for (int i =1; i<len; i++){
            char ch = strBuilder.charAt(0);
            strBuilder = strBuilder.deleteCharAt(0);
            strBuilder = strBuilder.append(ch);
            int cyclicVal = Integer.parseInt(strBuilder.toString());
            if (cyclicVal <= b && cyclicVal >=a ){
                retSet.add(cyclicVal);  
                
            }
            
        }
        if (retSet.size() > 1){
            daddySet.addAll(retSet);
        }
        return retSet;
    }
    
    private static void processDataForAB(String inputLine){
        String[] arrStr = inputLine.split(" ");
        a = Integer.parseInt(arrStr[0]);
        b = Integer.parseInt(arrStr[1]);
        System.out.println("PROCESSING FOR : " +a +" and " +b);
    }
    
    private static List<String> readFile(String filePath) {
        List<String> retList = new ArrayList<String>();
        try {
            // Open the file that is the firstS
            // command line parameter
            FileInputStream fstream = new FileInputStream(filePath);
            // Get the object of DataInputStream
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String strLine = null;
            //Read File Line By Line
            while ((strLine = br.readLine()) != null) {
                // Print the content on the console
                retList.add(strLine);
            }
            //Close the input stream
            in.close();
            return retList;
        } catch (Exception e) { //Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }
        return null;
    }

    private static void writeToFile(String filePath, List<String> inputLines) {
        BufferedWriter bufferedWriter = null;
        try {

            //Construct the BufferedWriter object
            bufferedWriter = new BufferedWriter(new FileWriter(filePath));

            //Start writing to the output stream
            for (String str : inputLines) {
                bufferedWriter.write(str);
                bufferedWriter.newLine();
            }

        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        } finally {
            //Close the BufferedWriter
            try {
                if (bufferedWriter != null) {
                    bufferedWriter.flush();
                    bufferedWriter.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    }
}
