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 com.google.codejam;

import java.io.*;
import java.util.HashSet;
import java.util.StringTokenizer;

/**
 * User: svasilinets
 * Date: 14.04.12
 * Time: 11:58
 */
public class QualC {


    private static int getDigitCount(int k) {
        int r = 0;
        while (k != 0) {
            k /= 10;
            r++;
        }

        return r;
    }

    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader("c.in"));
        BufferedWriter writer = new BufferedWriter(new FileWriter("c.out"));
        int tests = Integer.parseInt(reader.readLine());
        for (int t = 1; t <= tests; t++) {
            StringTokenizer tokenizer = new StringTokenizer(reader.readLine());
            int a = Integer.parseInt(tokenizer.nextToken());
            int b = Integer.parseInt(tokenizer.nextToken());
            int d = getDigitCount(a);
            int result = 0;
            int tp = 1;
            for (int i = 0; i < d; i++) {
                tp *= 10;
            }
            for (int i = a; i <= b; i++) {
                HashSet<Integer> h = new HashSet<Integer>();
                int p = 1;
                for (int j = 0; j < d - 1; j++) {
                    p *= 10;
                    int rest = i % p;
                    int del = i / p;
                    int pretend = rest * (tp / p) + del;
                    if (pretend > i && pretend <= b && !h.contains(pretend)){
                        result++;
                        h.add(pretend);
                    }
                }
            }
            writer.write("Case #" + t + ": " + result);
            writer.newLine();
        }
        writer.close();
    }
}
