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();
    }
}

package codejam;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.LinkedList;
import java.util.Queue;

public class RecycledNumbers {
    public static void main(String[] args) throws IOException {
        String fileName = "C-large";
        Queue<String> queue = file("input/"+fileName+".in");
        
        File outputFile = new File("result/"+fileName+".out");
        if(!outputFile.exists())
            outputFile.createNewFile();
        FileOutputStream output = new FileOutputStream(outputFile);
        
        int TestCases = Integer.parseInt(queue.poll());
        
        for(int i=0; i < TestCases; i++) {
            output.write(("Case #"+(i+1)+": ").getBytes());
            int[] input = parseLine(queue.poll());
            int A = input[0];
            int B = input[1];
            
            int base = (int)Math.log10(A);
            int count = 0;
    
            if(base > 0) {
                  int zeros = (int)Math.pow(10, base);
                  for(int n=A; n <= B; n++) {
                      int m = n;
                      for(int k=0; k < base; k++) {
                          m = m/10 + (m%10)*zeros;
 
                          if(n < m && m <= B)
                             count++;
                      }
                  }
              }
            
            output.write(Integer.toString(count).getBytes());
            output.write('\n');
        }
    }
   
    public static int recycleRoutine(int n, int m, int digits) {
         int count = 0;
         int base = (int)Math.pow(10, digits-1);
         for(int i=0; i < digits; i++) {
             n = n/10 + (n%10)*base;
             for(int j=0; j < digits; j++) {
                 m = m/10 + (m%10)*base;
                 
                 if(m >= n)
                    count++;
             }
         }
         
         return count;
    }
    
    public static int[] parseLine(String line) {
        String[] array = line.split("\\s");
        int[] result = new int[array.length];
        
        for(int i=0; i < result.length; i++)
            result[i] = Integer.parseInt(array[i]);
        
        return result;
    }
    
    /* given a file name ... fetches the file from war folder */
    public static byte[] getFile(String fileName) throws IOException {
        FileInputStream in = new FileInputStream(fileName);
        int size = in.available();
        byte[] imageBytes = new byte[size];

        /* read the whole image into array */
        int read = 0;
        while(read < size)
              read += in.read(imageBytes, read, size-read);
        
        return imageBytes;
    }
    
    /* mimic php functions */
    public static Queue<String> file(String filename) throws IOException {
        byte[] fileBytes = getFile(filename);
        Queue<String> queue = new LinkedList();
        
        StringBuilder builder = new StringBuilder();
        for(int i=0; i < fileBytes.length; i++) {
            if(fileBytes[i] == '\n') {
               queue.add(builder.toString());
               builder.delete(0, builder.length());
               continue;
            } if(fileBytes[i] == '\r')
               continue;
            builder.append((char)fileBytes[i]);
        }
        
        return queue;
    }
}
