package jp.funnything.competition.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import org.apache.commons.io.IOUtils;

public class QuestionReader {
    private final BufferedReader _reader;

    public QuestionReader( final File input ) {
        try {
            _reader = new BufferedReader( new FileReader( input ) );
        } catch ( final FileNotFoundException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _reader );
    }

    public String read() {
        try {
            return _reader.readLine();
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public BigDecimal[] readBigDecimals() {
        return readBigDecimals( " " );
    }

    public BigDecimal[] readBigDecimals( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigDecimal[] values = new BigDecimal[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigDecimal( tokens[ index ] );
        }

        return values;
    }

    public BigInteger[] readBigInts() {
        return readBigInts( " " );
    }

    public BigInteger[] readBigInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final BigInteger[] values = new BigInteger[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = new BigInteger( tokens[ index ] );
        }

        return values;
    }

    public int readInt() {
        final int[] values = readInts();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public int[] readInts() {
        return readInts( " " );
    }

    public int[] readInts( final String separator ) {
        final String[] tokens = readTokens( separator );

        final int[] values = new int[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Integer.parseInt( tokens[ index ] );
        }

        return values;
    }

    public long readLong() {
        final long[] values = readLongs();

        if ( values.length != 1 ) {
            throw new IllegalStateException( "Try to read single interger, but the line contains zero or multiple values" );
        }

        return values[ 0 ];
    }

    public long[] readLongs() {
        return readLongs( " " );
    }

    public long[] readLongs( final String separator ) {
        final String[] tokens = readTokens( separator );

        final long[] values = new long[ tokens.length ];
        for ( int index = 0 ; index < tokens.length ; index++ ) {
            values[ index ] = Long.parseLong( tokens[ index ] );
        }

        return values;
    }

    public String[] readTokens() {
        return readTokens( " " );
    }

    public String[] readTokens( final String separator ) {
        return read().split( separator );
    }
}

import java.io.File;
 import java.io.FileWriter;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Scanner;
 public class C { 

	static String inner = "input.in";
	static Scanner scan;
	public static void main (String[]args) throws IOException
	{ 
		File f = new File (inner);
		File out = new File("output.out");
		FileWriter wr; 
		wr = new FileWriter(out); 
		scan = new Scanner(f); 
		int test = scan.nextInt();
		scan.nextLine();
		for(int i = 0 ;i < test ; i++)
			wr.write( "Case #"+ (i+1)+": "+testcase(  new BigInteger(""+scan.nextInt()) , new BigInteger(""+scan.nextInt()) )   + "\n");
	 	 wr.flush();
	}
	
	public static int testcase (BigInteger A , BigInteger B)
	{ 
		int ret = 0;
		int len = A.toString().length(); 
		for(BigInteger b = A ; b.compareTo(B) < 1 ;b= b.add(BigInteger.ONE) )
		{
			String []ff = new String [len-1];  
			String s =b.toString(); 
			for(int i = 1 ;i <len ; i++)
			{
				BigInteger dum = new BigInteger(s.substring (i) + s.substring(0,i));
				ff[i-1] = dum.toString();	
				if(dum.compareTo(B)!=1 && dum.compareTo(b)==1)
				{
					boolean skip=false;  
					for(int j =0 ; j < i-1 ; j++)
						if(ff[j].equals(ff[i-1])) 
							skip = true;  
					if(skip) continue;
					ret++;
				 
				} 
			}
		}
		return ret;
	}
}
