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.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: aeg
 * Date: 12/04/14
 * Time: 22:58
 * To change this template use File | Settings | File Templates.
 */
public class ReceycledNumbers {
    public static void main (String[] argc) throws FileNotFoundException {
        ReceycledNumbers  renum = new ReceycledNumbers();
        renum.solve();

    }

    private void solve() throws FileNotFoundException {
        FileInputStream fis = new FileInputStream("csv/QR_C/C-small-attempt1.in");
        Scanner sc = new Scanner(fis);

        int T = sc.nextInt();

        loop:
        for (int i = 0; i < T; i++) {
            int A = sc.nextInt();
            int B = sc.nextInt();
            int count =0;

            System.out.print("Case #"+(i+1)+": ");
     //      System.out.println("A is " + A + ",M is " + M);
            if (B < 10) {
                System.out.println("0");
                continue;
            }
            for (int j = A; j < B; j++) {
                String str = ((Integer) j).toString();
              //  System.out.println(str +"**");
                count +=tryRecycle(str, j, B);

            }
            System.out.println(count);
        }
      }

    private int tryRecycle(String str, int j, int b) {
        int count=0;
        for(int i=1;i<str.length();i++){
            String s2 = str.substring(str.length()-i,str.length()) + str.substring(0,str.length()-i);
            Integer i2 = Integer.valueOf(s2);
            if ((j < i2) && (i2 <= b)) {
                count++;
            }
        }
        return count;
    }


}
