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.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;


public class Recycle 
{
	public static void main(String[] args) throws IOException 
	{
		Scanner s = new Scanner(new File("C-small-attempt0.in"));
		FileWriter strm = new FileWriter("out1.txt");
		BufferedWriter out = new BufferedWriter(strm);
		int cases = s.nextInt();
		s.nextLine();
		int count = 1;
		while(count - 1 < cases)
		{
			int A = s.nextInt();
			int B = s.nextInt();
			out.write("Case #" + count + ": " + calc(A,B) + "\n");
			count++;
		}
		out.close();
	}
	private static int calc(int a, int b)
	{
		int count = 0;
		for(int i = a; i<=b;i++)
		{
			count+=numPairs(i,a,b);
		}
		return count;
	}
	private static int numPairs(int i,int a, int b)
	{
		char[] arr = Integer.toString(i).toCharArray();
		char[] newArr = new char[arr.length];
		ArrayList<Integer> list = new ArrayList<Integer>();
		int count = 0;
		for(int j= 1;j<arr.length;j++)
		{
			for(int k = 0;k<arr.length;k++)
			{
				newArr[k] = arr[(k+j)%arr.length];
			}
			int res = Integer.parseInt(String.copyValueOf(newArr));
			if(a <= i && i < res && res <=b && !list.contains(res))
			{
				count++;
				list.add(res);
			}
			for(int k = 0;k<arr.length;k++)
			{
				newArr[k] = arr[(arr.length-j+k)%arr.length];
			}
			res = Integer.parseInt(String.copyValueOf(newArr));
			if(a <= i && i < res && res <=b && !list.contains(res))
			{
				count++;
				list.add(res);
			}
		}

		return count;
	}
}
