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 RecycledNumbers {

private static ArrayList<String> A,B; 

public static void main(String[] args) throws Exception {

File in = new File("C-small-attempt0.in");
File out = new File("out.txt");
RecycledNumbers.read(in);
RecycledNumbers.print(out);


}
 

public static void read (File file) throws FileNotFoundException {
 Scanner scanner = new Scanner (file);
 int cases = scanner.nextInt();
 A = new ArrayList<String>(cases);
 B = new ArrayList<String>(cases);
 while (scanner.hasNext()) {
    A.add(scanner.next());
    B.add(scanner.next());    
 }
}
 
public static void print (File file) throws FileNotFoundException {
 PrintStream fileStream = new PrintStream (file);
 for (int i = 0; i < A.size(); i++) {
    //fileStream.println(A.get(i) + " " + B.get(i));
    fileStream.println("Case #" + (i+1) +": " + test(A.get(i),B.get(i)));
 }
fileStream.close();
}

public static int test(String A, String B) {

int returnThis = 0;

if (A.length() == 1) {
   return 0;
}

   int limit = Integer.valueOf(B); 
   int start = Integer.valueOf(A);
   for (int i = start; i <= limit; i++) {
      String base = Integer.toString(i);
      int count = 1;
      String m = "" + base.charAt(base.length() - count); 
      while (true) {                  
         String out = m + base.substring(0, base.length() - count);
         //System.out.println(base+": " + out);
         if (verify(base, out, limit)) {
           // System.out.println("A: "+A +" B: " + B + " base: " + base +" out: " + out);
            returnThis++;
         }
         count++;
         if (base.length() <= count) break;
         if (base.equals(out)) break;
         m = base.charAt(base.length() - count) + m;  
      }     
   }
//System.out.println(returnThis);
return returnThis;
}

public static boolean verify(String n, String m, int limit) {
   if (m.charAt(0) == '0') return false;
   if (Integer.valueOf(n) < Integer.valueOf(m) && Integer.valueOf(m) <= limit) {
      return true;
   }
return false;
}

}
