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.util.*;
import java.io.*;
class Try{
	
	public static int equate(String currentNumber, String reversibleNumber){
		int count=0;
		char splitPoint = currentNumber.charAt(0);
		for (int i=0;i<reversibleNumber.length();i++){
			if (reversibleNumber.charAt(i)==splitPoint){
				//we've found our pivot
				int start = i;
				String reversedWord="";
				for (int j=0;j<reversibleNumber.length();j++){
					 reversedWord+=reversibleNumber.charAt((start+j)%reversibleNumber.length());
				}
				if (reversedWord.equals(currentNumber)){
					count=1;
					break; //test
				}
			}
		}
		return count;
	}
	
	public static void main(String[] args){
		Scanner file = null;
		try{
			file = new Scanner(new FileInputStream(args[0]));
		}
		catch(Exception e){
			System.out.println(e);
			System.exit(0);
		}
		int inputSize = Integer.parseInt(file.nextLine());
		Node[] limits = new Node[inputSize];
		for (int i=0;i<inputSize;i++){
			String[] line = file.nextLine().split(" ");
			limits[i] = new Node(Integer.parseInt(line[0]),Integer.parseInt(line[1]));
		}
		int Case=1;
		for (Node Interval:limits){
			int count=0;
			int min = Interval.getMin();
			int max = Interval.getMax();
	
			for (int i=min;i<=max;i++){
				
				for (int j=min;j<=max;j++){
					if (j!=i){
						count+=equate(i+"",j+"");
					}
				}
			}
			System.out.println("Case #"+Case+": "+(count/2));
			Case++;
		}
	}
}
