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.*;

public class Q3 {
    public static void main(String[] args) {
        Q3 q = new Q3();
        //System.out.println(q.calculate(10, 2000000));
        //q.test();
        q.answerSmall();
        //q.answerLarge();
    }
    
    public void answerSmall(){
        read("C-small-attempt0.IN", "Q3_small_output.txt");
    }
    
    public void answerLarge(){
        read("C-large.IN", "Q3_large_output.txt");
    }
    
    public void test(){
        read("Test3_input.txt", "Test3_output.txt");
    }
    
    public void read(String readFrom, String writeTo){
        try{
            Scanner in = new Scanner(new File(readFrom));
            File f = new File(writeTo);
            FileWriter fw = new FileWriter(f);
            int T = Integer.parseInt(in.nextLine());
            int A, B;
            String[] input;
            String answer;
            
            for(int i = 1; i <= T; i++) {
                input = in.nextLine().split(" ");
                A = Integer.parseInt(input[0]);
                B = Integer.parseInt(input[1]);
                
                answer = "" + calculate(A, B);
                if(i + 1 <= T)
                    answer += "\r\n";
                fw.write("Case #" + i + ": " + answer);
                
            }
            
            
            fw.close();
        }catch(Exception ex) {
            System.out.println(ex);
        }
    }
    
    public int calculate(int A, int B) {
        int num = 0, m;
        String hold;
        ArrayList<Integer> distinct = new ArrayList<Integer>();
        for(int n = A; n <= B; n++) {
            if(n > 10) {
                hold = "" + n;
                distinct.clear();
                for(int i = 1; i < hold.length(); i++) {
                    m = Integer.parseInt((hold.substring(i) + hold.substring(0,i)));
                    if(m <= B && n < m && !distinct.contains(m)) {
                        distinct.add(m);
                        num++;
                    }
                }
            }
        }
        return num;
    }
}
