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 recycled;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;

public class Main {
    
    public static void main( String[] args ) {
	try {
	    ArrayList<Integer> results = new ArrayList<Integer>();
	    BufferedReader reader = new BufferedReader( new FileReader( "C:\\file.in") );
	    reader.readLine();
	    String line = reader.readLine();
	    
	    while( line != null ) {
		String[] parameters = line.split( " " );
		results.add( getRecycledPairs( Integer.valueOf( parameters[0] ), Integer.valueOf( parameters[1] ) ) );
		line = reader.readLine();
	    }
	    
	    BufferedWriter writer = new BufferedWriter( new FileWriter( "c:\\output.txt" ) );
	    for( int i = 0; i < results.size(); i++ ) {
		writer.write( "Case #" + String.valueOf( i+1 ) + ": " + String.valueOf( results.get( i ) ) );
		writer.newLine();
	    }
	    
	    writer.close();
	}
	catch( Exception e ) {
	    
	}
	
	
    }
    
    private static int getRecycledPairs( int aMin, int aMax ) {
	if( String.valueOf( aMin ).length() != String.valueOf( aMax ).length() ) {
	    return 0;
	}
	int result = 0;
	for( int i = aMin; i <= aMax; i++ ) {
	    result += getNumberOfCombinations( i, aMax );	    	    
	}
	return result;
    }
    
    private static int getNumberOfCombinations( int aNumber, int aMax ) {
	String string = String.valueOf( aNumber );
	int numberOfDigits = string.length(); 
	String temp;
	int result = 0;
	ArrayList<Integer> values = new ArrayList<Integer>();
	for( int i = 1; i < string.length(); i++ ) {
	    temp = string.substring( i, string.length() ) + string.substring( 0, i );
	    int value = Integer.valueOf( temp );
	    if( String.valueOf( value ).length() != numberOfDigits ) {
		continue;
	    }
	    if( (value > aNumber ) && (value <= aMax ) && !values.contains( value ) ) {
		result++;
		values.add( value );
	    }
	}
	return result;
    }

}
