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.*;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;

public class C {
    static String str = "C:\\carl\\cl.txt";
    static String text = "";

    static int A, B, T, cnt;
    static HashMap hm;


    public static void main(String[] args) {

        try {
            int count = 0;

            hm = new HashMap();

            File file = new File(str);
            BufferedReader br = new BufferedReader(new FileReader(file));
            PrintWriter outer = new PrintWriter(new FileWriter("C:\\carl\\clo.txt"));


            while((text = br.readLine()) != null) {
                StringTokenizer st = new StringTokenizer(text);

                if(count == 0) {
                    T = Integer.parseInt(st.nextToken());
                    count++;
                } else  {

                    A = Integer.parseInt(st.nextToken());
                    int n = A;
                    B = Integer.parseInt(st.nextToken());

                    while (n != B) {
                        char[] temp = Integer.toString(n).toCharArray();
                        scramble(temp, n);
                        n++;
                    }
                    outer.println("Case #" + count + ": " + hm.entrySet().size());
                //System.out.println(hm.entrySet().size());
                hm.clear();
                count++;
                    
                }
                
            }

            
            outer.close();

        } catch(IOException ex) {
            System.out.println("Error with IO you foooool");
        } catch(Exception ex) {
            System.out.println("Generic Error. Noob.");
            ex.printStackTrace();
        }
    }

    public static void scramble(char[] temp, int n) {
        Integer[] no = new Integer[temp.length];
        for(int i=0; i<temp.length;i++) { no[i] = Integer.parseInt( Character.toString(temp[i]) ); }
        //Integer[] test = {1, 2, 3, 4, 5};
        for (int i = 0; i < temp.length - 1; i++) {
            Collections.rotate(Arrays.asList(no), -1);

            int m = trans(no);
            //System.out.println(n + " " + m);
            if( n < m && m <= B && no[0] != 0 ) {

                if( !hm.containsKey(n + " " + m)) {
                    hm.put(n + " " + m, n + " " + m);
                    //System.out.println(n + ", " + m);
                }

                //System.out.println(b);
            }
        }


    }

    public static int trans(Integer[] a) {
        String s = "";
        for(int i : a) {
            s = s + i;
        }
        //System.out.println(" @@ " + s);
        return Integer.parseInt(s);
    }

}
