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 test.googlejam.year2012.jam;

import java.io.IOException;

import org.apache.commons.lang.StringUtils;

import test.googlejam.base.ProblemProcessor;
import test.googlejam.base.ValueReader;

public class RecycledNumbers extends ProblemProcessor
{

	static java.util.Map<Integer, Integer> mapping = new java.util.TreeMap<Integer, Integer>();
	public static void main(String[] args) throws java.io.IOException
	{
		RecycledNumbers processor;
		String fileName = "c:/temp/googlejam/RecycledNumbers";

		processor = new RecycledNumbers();
		processor.setInputFileName(fileName + args[0] + ".in");
		processor.setOutputFileName(fileName + args[0] + ".out");
		processor.start();
	}

	@Override
	public String processCase(int caseNumber) throws IOException
	{
		java.util.List<String> values;
		
		values = this.readValues(" ", new ValueReader<String>() {
			@Override
			public String readValue(String token) {
				return token;
			}
		});
		
		String stringA;
		int valueA, valueB;
		stringA = values.get(0);
		valueA = Integer.valueOf(values.get(0));
		valueB = Integer.valueOf(values.get(1));
		java.util.SortedSet<Integer> permutations = new java.util.TreeSet<Integer>();

		for ( int currentValue = valueA; currentValue <= valueB; currentValue++ )
		{
			String currentString = Integer.toString(currentValue);
			for ( int i = 1; i < currentString.length(); i++ )
			{
				String newString = StringUtils.right(currentString, i) + StringUtils.left(currentString, currentString.length() - i);
				if ( '0' == newString.charAt(0) ) continue;
				int newValue = Integer.valueOf(newString);
				if ( (valueA <= newValue) && (newValue <= valueB) )
					permutations.add(newValue);
			}
		}

		//System.out.println(valueA);
		//System.out.println(valueB);
		//System.out.println(permutations);
		java.util.Set<String> foundCases = new java.util.HashSet<String>();
		for ( int currentValue : permutations )
		{
			String currentString = Integer.toString(currentValue);
			for ( int i = 1; i < currentString.length(); i++ )
			{
				String newString = StringUtils.right(currentString, i) + StringUtils.left(currentString, currentString.length() - i);
				if ( '0' == newString.charAt(0) ) continue;
				int newValue = Integer.valueOf(newString);
				if ( (currentValue < newValue) && (permutations.contains(newValue)))
				{
					String foundCase = valueA + " <= " + currentValue + " < " + newValue + " <= " + valueB;
					//System.out.println(foundCase);
					foundCases.add(foundCase);
				}
			}
		}
		//System.out.println(foundCases);
		return Integer.toString(foundCases.size());
	}
}
