
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
import java.io.File;
import java.io.IOException;
import java.io.FileWriter;
import java.io.BufferedWriter;

public class Recycle
{
	public static void main(String[] args)
	{
/*		Set<Integer> perms = getPermutations(123456);
		
		for(Integer i: perms)
			System.out.println(i);*/
	
		try
		{
			Scanner s = new Scanner(new File("recycle.in"));
			BufferedWriter w = new BufferedWriter(new FileWriter(new File("recycle.out")));
			int numCases = s.nextInt();
			s.nextLine();
			
			for(int n = 1;n <= numCases; n++)
			{
				int A = s.nextInt();
				int B = s.nextInt();
				int count = 0;
				for(int k = A; k <= B; k++)
				{
					count += getNumPairs(k, B);
				}
				
				w.write("Case #" + n + ": " + count + "\n");
			}
			
			w.flush();
			w.close();
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
	}
	
	public static int getNumPairs(int n, int B)
	{
		Set<Integer> possibles = getPermutations(n);
		int count = 0;
		for(Integer i : possibles)
			if(i > n && i <= B)
				count++;
		return count;
	}
	
	public static Set<Integer> getPermutations(int n)
	{
		Set<Integer> perms = new TreeSet<Integer>();
		char[] digits = String.valueOf(n).toCharArray();
		
		for(int firstPos = 1; firstPos < digits.length; firstPos++)
		{
			String toBuild = "";
			for(int k = 0; k < digits.length; k++)
				toBuild += digits[(firstPos + k) % digits.length];
			perms.add(Integer.parseInt(toBuild));
		}
		return perms;
	}
	

}
package jp.funnything.competition.util;

import java.io.File;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.FileUtils;

public class CompetitionIO {
    private final QuestionReader _reader;
    private final AnswerWriter _writer;

    /**
     * Default constructor. Use latest "*.in" as input
     */
    public CompetitionIO() {
        this( null , null , null );
    }

    public CompetitionIO( final File input , final File output ) {
        this( input , output , null );
    }

    public CompetitionIO( File input , File output , final String format ) {
        if ( input == null ) {
            for ( final File file : FileUtils.listFiles( new File( "." ) , new String[] { "in" } , false ) ) {
                if ( input == null || file.lastModified() > input.lastModified() ) {
                    input = file;
                }
            }

            if ( input == null ) {
                throw new RuntimeException( "No *.in found" );
            }
        }

        if ( output == null ) {
            final String inPath = input.getPath();

            if ( !inPath.endsWith( ".in" ) ) {
                throw new IllegalArgumentException();
            }

            output = new File( inPath.replaceFirst( ".in$" , ".out" ) );
        }

        _reader = new QuestionReader( input );
        _writer = new AnswerWriter( output , format );
    }

    public CompetitionIO( final String format ) {
        this( null , null , format );
    }

    public void close() {
        _reader.close();
        _writer.close();
    }

    public String read() {
        return _reader.read();
    }

    public BigDecimal[] readBigDecimals() {
        return _reader.readBigDecimals();
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        return _reader.readBigDecimals( separator );
    }

    public BigInteger[] readBigInts() {
        return _reader.readBigInts();
    }

    public BigInteger[] readBigInts( final String separator ) {
        return _reader.readBigInts( separator );
    }

    /**
     * Read line as single integer
     */
    public int readInt() {
        return _reader.readInt();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public int[] readInts() {
        return _reader.readInts();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public int[] readInts( final String separator ) {
        return _reader.readInts( separator );
    }

    /**
     * Read line as single integer
     */
    public long readLong() {
        return _reader.readLong();
    }

    /**
     * Read line as multiple integer, separated by space
     */
    public long[] readLongs() {
        return _reader.readLongs();
    }

    /**
     * Read line as multiple integer, separated by 'separator'
     */
    public long[] readLongs( final String separator ) {
        return _reader.readLongs( separator );
    }

    /**
     * Read line as token list, separated by space
     */
    public String[] readTokens() {
        return _reader.readTokens();
    }

    /**
     * Read line as token list, separated by 'separator'
     */
    public String[] readTokens( final String separator ) {
        return _reader.readTokens( separator );
    }

    public void write( final int questionNumber , final Object result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result ) {
        _writer.write( questionNumber , result );
    }

    public void write( final int questionNumber , final String result , final boolean tee ) {
        _writer.write( questionNumber , result , tee );
    }
}
