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 Qual2012;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;


public class Qual2012C {
	
	public static void main(String args[]){

		String filePath = "X:\\GCJ\\2012C-small-attempt0.in";
//		String filePath = "X:\\GCJ\\2012C-large-attempt0.in";
		FileInputStream fis = null;
		BufferedReader readFile = null;
        String line;
        
        try {
        	fis = new FileInputStream(filePath);
            readFile = new BufferedReader(new InputStreamReader(fis, "ISO-8859-1"));
            line = readFile.readLine();
            int T = Integer.parseInt(line);
            for (int i = 1; i <= T; i++) {
            	line = readFile.readLine();
            	System.out.println("Case #" + i + ": " + solve(line) );
            }
        }
        catch(Exception e) {
            e.printStackTrace();
        }finally{
            try {
                fis.close();
                readFile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
	}
	
	private static int solve (String line) {
		
		String[] temp = line.split(" ");
		int a = Integer.parseInt(temp[0]);
		int b = Integer.parseInt(temp[1]);
		
		int ret = 0;
		
		for (int i = a; i < b; i++) 
			ret += count(i, b);
		
		return ret;
	}
	
	private static int count(int x, int b) {
		
		int ret = 0;
		int digitnum = 0;
		int temp = x;
		boolean[] isCounted = new boolean[b + 1];
		
		while (temp > 0) {
			digitnum ++;
			temp /= 10;
		}
		
		for (int i = 10; i <= x; i *= 10) {
			int target = 0;
			target += x / i;
			target += (x % i) * (Math.pow(10, digitnum) / i);
			if (target > x && target <= b && !isCounted[target] ) {
				ret++;
				isCounted[target] = true;
			}
		}
		return ret;
	}
}
