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.*;
class yo
{
public static void main(String args[])
throws IOException
{
try
{
FileWriter fs=new FileWriter("o1.out");
FileInputStream f1=new FileInputStream("C-small-attempt3 (1).in");
DataInputStream d=new DataInputStream(f1);
BufferedReader br=new BufferedReader(new InputStreamReader(d));
BufferedWriter out=new BufferedWriter(fs);
String s,s1;
s=br.readLine();
int T=Integer.parseInt(s);
int cnt=0,nn,f,ll,ul,p;
String w1;
char temp;
for(int i=0;i<T;i++)
{
out.write("Case #"+(i+1)+": ");
s1=br.readLine();
String[] n=s1.split(" ");
ll=Integer.parseInt(n[0]);
ul=Integer.parseInt(n[1]);
p=ul-ll+1;
f=ll;
for(int j=0;j<p;j++)
{
s1=Integer.toString(f);
char c[]=new char[s1.length()];
c=s1.toCharArray();
for(int k=0;k<s1.length()-1;k++)
{
temp=c[s1.length()-1];
for(int l=(s1.length()-1);l>0;l--)
{
c[l]=c[l-1];
}
c[0]=temp;
w1="";
for(int m=0;m<s1.length();m++)
{
w1=w1+c[m];
}
nn=Integer.parseInt(w1);
if(nn>ll)
if(nn>f)
if(nn<=ul)
cnt=cnt+1;
}
f=f+1;
}
String h=Integer.toString(cnt);
out.write(h);
out.write("\r\n");
cnt=0;
}
out.close();
br.close();
}
catch(Exception e){
System.out.println("Error :"+e);
}
}
}