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.*;
import java.util.Scanner;

public class Main {
	public static void main (String[] args) {
		int i = 1;
		try{
			BufferedReader in = new BufferedReader(new FileReader("input.txt"));
			String ligne;
			ligne = in.readLine();
			ligne = in.readLine();
			while (ligne != null) {
				int res = 0;
				System.out.print("Case #" + i + ": ");
				Scanner sc = new Scanner(ligne);
				int A = sc.nextInt();
				int B = sc.nextInt();
				for (int m=A;m<B;m++){
					for (int n=m+1;n<=B;n++){
						if(recycle(n, m)){
							res++;
						}
					}
				}
				i++;
				System.out.println(res);
				ligne = in.readLine();
			}
			in.close();
		} catch (Exception e){
			System.err.println("Erreur !");
		}
	}

	//prÃ©conditions : a != b a>0 b>0
	public static boolean recycle (int a, int b) {
		long nbDigitsA = Math.round(Math.ceil(Math.log10(a)));
		long nbDigitsB = Math.round(Math.ceil(Math.log10(b)));
		if (nbDigitsA != nbDigitsB || nbDigitsA == 1) {
			return false;
		}
		for (int i=1;i<nbDigitsA;i++){
			String ch_b = "" + b;
			String ch_bTrans = ch_b.substring(i) + ch_b.substring(0, i);
			if (a == Integer.parseInt(ch_bTrans)) {
				return true;
			}
		}
		return false;
	}
}
