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.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;


public class Recycle {

	
	public Recycle() {
		
		String line;
		Integer maxInputs,output;
		Integer a, b;
		try {
			BufferedReader read = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream("input")));
			BufferedWriter write = new BufferedWriter(new FileWriter("output"));
			maxInputs = new Integer(read.readLine());
			for(int i = 1 ; i <= maxInputs ; i++)
			{
				int success = 0;
				line = read.readLine();
				String[] numbers = line.split(" ");
				a = new Integer(numbers[0]);
				b = new Integer(numbers[1]);
				
				success = getCount(a,b);
				
				output = new Integer(success);
				write.write("Case #"+i+": ");
				write.write(output.toString());
				write.write("\n");
			}
			write.close();
		
		
		}catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		long startTime = System.nanoTime();
		new Recycle();
		long endTime = System.nanoTime();;
		System.out.println("Took "+(endTime - startTime) + " ns");
	}

	int getCount(int start, int end)
	{
		int count = 0 ;
		
		String numStart = new Integer(start).toString();
		int digits = numStart.length();
		String num ;
		char[] perm = new char[digits];
		
		
		
		
		if(digits == 1)
			return 0;
		
		for( Integer i = start; i <= end; i++)
		{
			num = i.toString();
			for( int j = 1; j < digits; j++)
			{
				for(int k = 0 ; k < digits; k++)
				{
					perm[k] = num.charAt((j+k)%digits); 
				}
				Integer permNum = Integer.parseInt(new String(perm));
				
				if(i < permNum && permNum >= start && permNum <= end)
					{
					count++;
					System.out.println(i+" "+permNum);
					}
			}
			
			
			
			
		}
		
		return count;
	}
}
/*
 * 
			if(digits == 2)
			{	
				perm[0] = num.charAt(1);
				perm[1] = num.charAt(0);
				Integer j = Integer.parseInt(new String(perm));
				
				
				if( j == i )
					continue;
				if(j >= start && j <= end)
				{
					if( i < j )
					count++;
				}
			}
			if(digits == 3)
			{
				perm[0] = num.charAt(2);
				perm[1] = num.charAt(0);
				perm[2] = num.charAt(1);
				Integer j = Integer.parseInt(new String(perm));
				if( j == i )
					continue;
				if(j >= start && j <= end)
				{
					if( i < j )
					count++;
				}
				perm[0] = num.charAt(1);
				perm[1] = num.charAt(2);
				perm[2] = num.charAt(0);
				j = Integer.parseInt(new String(perm));
				if( j == i )
					continue;
				if(j >= start && j <= end)
				{
					if( i < j )
					count++;
				}
			}
*/
