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 com.google.codejam2012;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;



public class CRecycledNumbers {
	private void go() throws IOException {
		String fileIn = "resources/codejam2012/C-large.in";
		String fileOut = fileIn.replace(".in", ".out");
		
		BufferedWriter w = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileOut))); 
		
		BufferedReader r = new BufferedReader(new InputStreamReader(new FileInputStream(fileIn)));
		int count = Integer.parseInt(r.readLine());
		for(int i = 0; i < count; i++) {
			String out = processCase(r.readLine());
			out = "Case #" + (i + 1) + ": " + out;
			System.out.println(out);
			w.write(out + "\n");
		}		

		w.close();
		r.close();
	}
	

	private Set<Integer> getRecycled(int n) {
		Set<Integer> recycled = new HashSet<Integer>();
		
		String sn = String.valueOf(n);

		for(int i = 1; i < sn.length(); i++) {
			String newN = sn.substring(i) + sn.substring(0, i);
			if (!newN.startsWith("0") && !newN.equals(sn)) {
				recycled.add(Integer.parseInt(newN));
			}
		}
		
		return recycled;
	}
	
	private String processCase(String text) {
		Scanner scanner = new Scanner(text);
		int a = scanner.nextInt();
		int b = scanner.nextInt();

		int out = 0;
		
		for(int i = a; i < b; i++) {
			Set<Integer> recycled = getRecycled(i);
			for(Integer rec : recycled) {
				int r = rec;
				if ((r >i) && (r <= b)) out++;
			}
		}
		
		return String.valueOf(out);
	}



	public static void main(String[] args) throws Exception {
		long now = System.currentTimeMillis();
		new CRecycledNumbers().go();
		System.out.println(String.valueOf(System.currentTimeMillis() - now) + "ms");
	}
}