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.StringTokenizer;
import java.util.TreeSet;

public class C {
    public static void main(String [] args) throws IOException {
        TreeSet<String> ts=new TreeSet<String>();
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        int c=Integer.parseInt(br.readLine().trim());
        FileWriter fichero = new FileWriter("largoa.txt");
        PrintWriter pw = new PrintWriter(fichero);
        for(int kc=0;kc<c;kc++){
            int l,h;
            StringTokenizer st=new StringTokenizer(br.readLine());
            l=Integer.parseInt(st.nextToken());
            h=Integer.parseInt(st.nextToken());
            for(int i=l;i<=h;i++){
                String a=String.valueOf(i);
                String n="";
                for(int k=1;k<a.length();k++){
                    n=a.substring(k,a.length())+ a.substring(0,k);
                    if(String.valueOf(Integer.parseInt(n)).length()==a.length() && !n.equals(a)){
                            if(Integer.parseInt(n)<=h &&Integer.parseInt(n)>=l){
                                ts.add(a+" "+n);
                                ts.add(n+" "+a);
                            }
                          }
                    }
                }
            System.out.println("Case #"+(kc+1)+": "+ts.size()/2);
            //pw.println("Case #"+(kc+1)+": "+ts.size()/2);
            ts.clear();
        }
        fichero.close();
    }
}