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 );
    }
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package googlejam;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

/**
 *
 * @author AEK
 */
public class Problem_C_small {
    public static void main(String[] args)throws IOException {

        
        BufferedReader reader = new BufferedReader(new FileReader("C-small-attempt0.in"));
        FileWriter writer = new FileWriter("C-small-output0");
        int amount_of_test_case = Integer.parseInt(reader.readLine());
        
        for(int test_case = 1;test_case <= amount_of_test_case;test_case++) {
            Scanner parser = new Scanner(reader.readLine());
            int A = Integer.parseInt(parser.next());
            int B = Integer.parseInt(parser.next());

            int count = 0;

            for(Integer n = A;n < B;n++) {

                String outer = n.toString();
                int length = outer.length();
                for(int begin = 0;begin < outer.length();begin++) {
                    String substring = outer.substring(begin) + outer;
                    substring = substring.substring(0, length);
                    Integer m = Integer.parseInt(substring);
                    //Integer m = Integer.parseInt(outer.substring(begin) + outer.substring(0, begin));

                    if(A <= n && n < m && m <= B) {
                        count+=1;
                    }
                }// end inner loop
            }// end outer loop

            //System.out.println(count);
            writer.write("Case #" + test_case + ": " + count + "\n");
        }
        
        reader.close();
        writer.close();
        
    }// end function
    
}
