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 qualify3;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.Vector;

public class RecycledNumbers {
	
	public static void main (String[] args) throws FileNotFoundException {
		Scanner in = new Scanner(new File ("src//qualify3/input.in"));
		int T = in.nextInt();
		for (int i = 0; i < T; i++) {
			Integer A = in.nextInt();
			Integer B = in.nextInt();
			String strA = A.toString();
			String strB = B.toString();
			Vector <Integer> cycles = new Vector<Integer>();
			if (strA.length() != 1) {
				for (Integer j = A; j <= B; j++) {
					
						cycles.addAll(getCycledValues(j.toString(), strB));
				}
			}
			
			System.out.println("Case #" + (i  + 1) + ": " + cycles.size());
		}
	}
	
	public static Vector<Integer> getCycledValues (String str1, String str2) {
		
		Vector <Integer> cycledNumbers = new Vector<Integer>();
		String no = new String (str1);
		int size = str1.length();
		while (true) {
			String str = "";
			str = str + no.charAt(size - 1);
			
			for (int i = 0; i < size - 1; i++) {
				str = str + no.charAt(i);
			}
					
			
			if (Integer.parseInt(str) == Integer.parseInt(str1))
				break;
			
			int cyclicNumber = Integer.parseInt(str);
			
			if (cyclicNumber >= Integer.parseInt(str1) && cyclicNumber <= Integer.parseInt(str2)) {
				cycledNumbers.add(cyclicNumber);
			}
			
			no = str;
		}
		return cycledNumbers;		
	}
}
