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.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
import java.util.StringTokenizer;

public class RecycledNumbers {

	private static long findMatchesForNumber(Long number, long a, long b) {

		long matches = 0;
		
		Set<Long> set = new HashSet<>();

		String str = number.toString();

		for (int i = 1; i < str.length(); i++) {

			String begin = str.substring(0, i);
			String end = str.substring(i);

			Long recycled = new Long(end + begin);

			if (recycled > number && recycled >= a && recycled <= b
					&& !set.contains(recycled)) {
				
				matches++;
				
				set.add(recycled);
			}
		}

		return matches;
	}

	private static long handleCase(long a, long b) {
		long totalMatches = 0;

		for (long i = a; i <= b; i++) {
			totalMatches = totalMatches + findMatchesForNumber(i, a, b);
		}

		return totalMatches;
	}

	/**
	 * @param args
	 * @throws Exception
	 */
	public static void main(String[] args) throws Exception {

		// Open the file that is the first
		// command line parameter
		FileInputStream fstream = new FileInputStream(args[0]);
		// Get the object of DataInputStream
		DataInputStream in = new DataInputStream(fstream);
		BufferedReader br = new BufferedReader(new InputStreamReader(in));
		String strLine;

		FileWriter outFile = new FileWriter("c:\\data\\q3\\output.txt");
		PrintWriter out = new PrintWriter(outFile);

		long t = new Long(br.readLine());

		for (int i = 0; i < t; i++) {
			strLine = br.readLine();
			StringTokenizer token = new StringTokenizer(strLine);

			long a = new Long(token.nextToken());
			long b = new Long(token.nextToken());

			// System.out.println("numbers: " + a + " " + b);

			long matches = handleCase(a, b);
			
			long index = i+ 1;

			String strToPrint = "Case #" + index + ": " + matches;
			out.println(strToPrint);
			System.out.println(strToPrint);
		}

		in.close();
		out.close();
	}
}
