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.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashMap;

public class RecycledNumbers{
	
	

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
		
		File inf = new File("/home/jeyram/Downloads/"+"C-small-attempt1.in");
		File of = new File("/home/jeyram/Downloads/"+"rl-rn2-output.in");
		FileInputStream in = new FileInputStream(inf);
		FileOutputStream out = new FileOutputStream(of);
		// Get the object of DataInputStream
		  //DataInputStream in = new DataInputStream(fstream);
		  BufferedReader br = new BufferedReader(new InputStreamReader(in));
		  String strLine;
		  //Read File Line By Line
		  if ((strLine = br.readLine()) != null)   {
			  System.out.println (strLine);
			  int itrs= Integer.parseInt(strLine);
			  int count=0;
			  //#test cases
			  while (count < itrs)   {
				  if ((strLine = br.readLine()) != null){
					  //	input str
					  String[] inst = strLine.split(" ");
					  //start no
					  final int A = Integer.parseInt(inst[0]);
					  //end no
					  final int B = Integer.parseInt(inst[1]);	  
					  //no of numbers
					  int y=0;
					  //no of iterations check 3 for 4 digit number
					  int exp = (String.valueOf(A)).length()-1;
					  int exC=1;
					  while (exC<=exp){
						  int n =A;						  
						  while(n<=B){
							  int pow =1;
							  for(int p1=1;p1<exC;p1++)
							  {pow*=10;}
							  int q = n / (10*pow);
							  int r = n % (10*pow);
							  if(r!=0 && q!=0){
								  String ne = String.valueOf(r)+String.valueOf(q);
								  int m = Integer.parseInt(ne);
								  if((m<=B) && (n!=m) && (m>n) && 
										  (String.valueOf(n)).length()==(String.valueOf(m)).length()){//valid pair
									  //System.out.println(":"+n +":"+m);									  
									  y++;
									  }
							  }
							  n++;
						  }
						  exC++;
					  }
							  
					  

					  System.out.println("output string"+y);
					  //write as Case #1: 2 3
					  BufferedWriter bw  = new BufferedWriter(new OutputStreamWriter(out));
					  bw.write("Case #"+(count+1)+": "+y);
					  bw.newLine();
					  bw.flush();
					  }
				  count++;
			  }
		  
		  }
		  //Close the input stream
		  in.close();
		  out.close();
		}catch (Exception e)
		{
			e.printStackTrace();
		}
		finally{
			
		}
	}
}