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 );
    }
}

package com.ivantod.codejam2012;

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;


public class Numbers {

	private void process() throws Exception {
		
		Scanner s=new Scanner(System.in);
		int numCases=s.nextInt();
		s.nextLine();

		for (int ca=1; ca<=numCases; ca++) {
			int A=s.nextInt();
			int B=s.nextInt();
			Set<String> pairs=new HashSet<String>();
			
			for (int i=A; i<=B; i++) {
				String num=Integer.toString(i);
				String flip=Integer.toString(i);
				for (int j=num.length(); j>1; j--) {
					flip=flip.charAt(flip.length()-1)+flip.substring(0,flip.length()-1);
					if (!flip.startsWith("0") && !num.equals(flip) &&
							!pairs.contains(num+"_"+flip) && !pairs.contains(flip+"_"+num) &&
							Integer.parseInt(flip) >= A && Integer.parseInt(flip) <= B) {
						pairs.add(num+"_"+flip);
					}
				}
				
			}
			
			System.out.println("Case #"+ca+": "+pairs.size());
		}
	}
	
	
	public static void main(String[] args) {
		Numbers b=new Numbers();
		try {
			b.process();

		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}