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.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author UDDAMA
 */
public class recyclePair {

    private ArrayList<String> numholder = new ArrayList<String>();

    public void numrecylce(String chars) {
        for (int i = 0; i < chars.length() - 1; i++) {
            this.numholder.add(chars.substring(i + 1) + chars.substring(0, i + 1));
        }
    }

    public void cleanArray() {

        for (int i = 0; i < numholder.size(); i++) {
            String temp = numholder.get(i);
            for (int j = i + 1; j < numholder.size(); j++) {
                if (temp.equalsIgnoreCase(numholder.get(j))) {
                    numholder.remove(j);
                }
            }
        }
    }

    public int recycleCount(String A, String B) {

        int count = 0;
        for (int i = Integer.parseInt(A); i < Integer.parseInt(B); i++) {
            this.numholder.clear();
            this.numrecylce(String.valueOf(i));
            this.cleanArray();

            for (int j = 0; j < numholder.size(); j++) {

                if (Integer.parseInt(numholder.get(j)) > i && Integer.parseInt(numholder.get(j)) <= Integer.parseInt(B)) {
                    count++;
                }
            }
        }
        return count;
    }

    public static void main(String[] args) throws IOException {

        BufferedReader is = new BufferedReader(new InputStreamReader(System.in));
        String inputLine = is.readLine();
        recyclePair rp = new recyclePair();

        int cases = Integer.parseInt(inputLine);

        for (int i = 0; i < cases; i++) {

            inputLine = is.readLine();
            String[] AB = inputLine.split(" ");

            System.out.println("Case #" + (i + 1) + ": " + rp.recycleCount(AB[0], AB[1]));


        }
    }
}