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 );
    }
}

// Google Code Jam Qualification Round 2012
// Problem C. Recycled Numbers

import java.util.*;
import java.io.*;

public class RecycledNumbers{
    static String inname = "C-small-attempt0.in";    // input file name here
    static String outname = "C-small-attempt0.out";  // output file name here
    public static void main(String[] args){
        try{
            Scanner in = new Scanner(new BufferedReader(new FileReader(inname)));
        	//Scanner in = new Scanner(System.in);
            BufferedWriter out = new BufferedWriter(new FileWriter(outname));
            int t = in.nextInt();
            int a, b;
            for (int cas = 1; cas <= t; cas++){
            	int ans = 0;
            	a = in.nextInt();
            	b = in.nextInt();
                for (int n = a; n < b; n++){
                	String ns = Integer.toString(n);
                	int d = ns.length();
                	int mss[] = new int[d];
                	for(int i = 1; i < d; i++){
                		String ms = ns.substring(i);
                		ms += ns.substring(0,i);
                		int m = Integer.parseInt(ms);
                		mss[i] = m;
                		if (n < m && m > a && m <= b){ 
                			boolean flag = true;
                			for (int j = 0; j < i; j++) 
                				if (m == mss[j]) flag = false;
                			if (flag) ans++;
                		}
                	}
                }
                //System.out.print("Case #" + cas + ": " + ans + "\n");
                out.write("Case #" + cas + ": " + ans + "\n");
            }
            in.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}