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 problemc;

import java.io.BufferedReader;
import java.io.FileReader;

import java.util.ArrayList;
import java.util.List;

public class ProblemC {
    
    public static void main(String args[]){
        List<String> inputs = readInput();
        String n;
        String m;
        int count = 0;
        for(String input : inputs ){
            count++;
            n = input.split(" ")[0];
            m = input.split(" ")[1];
            
            output(count, findRecycledNumbers(n,m));            
        }
    }
    
    
    private static int findRecycledNumbers(String n, String m){
        int recycledNumbers = 0;
        n = n.trim();
        m = m.trim();
        int mFirst = Integer.parseInt(m.substring(0,1));
        int nLong = Integer.parseInt(n);
        int mLong = Integer.parseInt(m);
        String nString = "";
                
        for(int i = nLong; i<mLong; i++){
            nString = ""+i;
            nLong = Integer.parseInt(nString);
            //System.out.println("INTERESTING");
            //System.out.println("I: " + i);
            for(int j=nString.length() - 1; j>0; j--){
               // System.out.println("nSTRING: " + nString);
              String valueAt = nString.substring(j, j+1);
                //System.out.println("VALUE AT: " + valueAt);
                if(Integer.parseInt(valueAt) <= mFirst){
                    //System.out.println("IN HERE");
                    String end = nString.substring(j);
                  String remaining = nString.substring(0, j);
                  String finalNum = end + remaining;
                  
                  
                  if(Integer.parseInt(finalNum) <= mLong && Integer.parseInt(finalNum) > nLong){                      
                    recycledNumbers++;
                  }
                }
            }
        }
        
        
        return recycledNumbers;
    }
  private static List<String> readInput(){
    List<String> untranslatedStrings = new ArrayList<String>();
    try{
        BufferedReader in = new BufferedReader(new FileReader("input.txt"));
        Long numTestCases = Long.parseLong(in.readLine());
        for(int i=0; i<numTestCases.intValue(); i++){
            untranslatedStrings.add(in.readLine());
        }          
    }catch(Exception e){
      e.printStackTrace();
    }
    
    return untranslatedStrings;
  }
  
  private static void output(int input, int recycledNum){
    System.out.println("Case #"+input+": "+recycledNum);
  }
}
