using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var good = @"873x127752651,62.557895,-150.229389,""20,320 Alaskan Grill"",90000.90232.90287.91244,0,R,,,"""",,69.33,""(907) 733-2900"",""20 320 alaskan grill"",90000.90232.90287,101,,en-US,6;42;207,,20 320 Alaskan Grill;20 320 alaskan grill;,1414,false";

        var bad = @"873x17957554381503831434,21.3648505359404,-157.949992163894,""USS Arizona Memorial (Temporarily Closed)"",90000.90001.90012;10000.10001.1785;10000.10001;90000.90001;90000.90001.90012.90016;90000.90298,,O,,,""ru:Мемориал линкора ""Аризона""/Национальный монумент воинской доблести в Тихом океане во время Второй мировой войны;ja:アリゾナ・メモリアル / 第二次世界大戦武勲記念史跡;es:USS Arizona Memorial;ar:سفينة يو إس إس أريزونا التذكارية;de:USS Arizona Memorial/World War II Valor in the Pacific National Monument;fr:USS Arizona Memorial/WW II Valor in the Pacific National Monument;it:USS Arizona Memorial;ko:USS 애리조나 기념관 / WWII 태평양 국립 기념비;nl:Het Gedenkteken van Arizona;nb:Minnesmerke etter andre verdenskrig i Arizona, USA;pl:Pomnik USS Arizona/Pomnik narodowy WW II Valor in the Pacific;pt:USS Arizona Memorial/Valor da 2ª Guerra Mundial no Monumento Nacional do Pacífico;sv:USS Arizonas minnesmonument i Pearl Harbor;tr:USS Arizona Memorial/WW II Valor in the Pacific National Monument;zh:美國海軍亞利桑那號戰艦紀念館;zh:USS 亚利桑那号纪念馆/二战太平洋国家纪念碑;"",,100.00,""(808) 422-3399"",""uss az memorial temporarily closed"",90000.90001.90012.90016,113,,en-US,,,USS Arizona Memorial Temporarily Closed;uss az memorial temporarily closed;Мемориал линкора Аризона Национальный монумент воинской доблести в Тихом океане во время Второй мировой войны;アリゾナ・メモリアル 第二次世界大戦武勲記念史跡;アリゾナ メモリアル 第 二 次 世界 大戦 武勲 記念 史跡;,1414,false";

        var res = SplitLine(bad);

        Console.WriteLine(res.Count);

        for (int i = 0; i < res.Count; ++i) {

            Console.WriteLine(res[i]);

        }

    }

    private enum SplitState

    {

        LookingForField,

        ReadingField,

        InteriorQuote,

    }

    public static List<String> SplitLine(string line)

    {

        int i = 0;

        var state = SplitState.LookingForField;

        string field = "";

        bool fieldStartedWithQuote = false;

        var result = new List<string>();

        bool done = false;

        while (!done)

        {

            char c = i < line.Length ? line[i] : (char)0;

            switch (state)

            {

                case SplitState.LookingForField:

                    switch (c)

                    {

                        case '\t': // Whitespace, ignore

                            goto case ' ';

                        case ' ': // Whitespace, ignore

                            ++i;

                            break;

                        case '\"': // Start of quoted field

                            ++i;

                            state = SplitState.ReadingField;

                            field = "";

                            fieldStartedWithQuote = true;

                            break;

                        case ',': // Field was empty and hit next comma.

                            ++i;

                            result.Add(null);

                            break;

                        case (char)0:

                            goto case '\n';

                        case '\r': // Field is empty and hit end-of-line.

                            goto case '\n';

                        case '\n': // Field is empty and hit end-of-line.

                            result.Add(null);

                            done = true;

                            break;

                        default: // Must be character.  Validate that it is an okay one?

                            state = SplitState.ReadingField;

                            field = "";

                            fieldStartedWithQuote = false;

                            break;

                    }

                    break;

                case SplitState.InteriorQuote:

                    switch (c)

                    {

                        case '\"':

                            ++i;

                            field += '\"'; // Double quote;

                            state = SplitState.ReadingField;

                            break;

                        default:

                            if (fieldStartedWithQuote)

                            {

                                // End quote.

                                fieldStartedWithQuote = false;

                            }

                            else

                            {

                                field += '\"'; // Floating quote within field.

                            }

                            state = SplitState.ReadingField;

                            break;

                    }

                    break;

                case SplitState.ReadingField:

                    switch (c)

                    {

                        case '\"': // End of field indicated with a quote.

                            state = SplitState.InteriorQuote;

                            ++i;

                            break;

                        case ',':

                            if (fieldStartedWithQuote)

                            {

                                ++i;

                                field += c;

                            }

                            else

                            {

                                ++i;

                                result.Add(field);

                                state = SplitState.LookingForField;

                            }

                            break;

                        case (char)0:

                            goto case '\n';

                        case '\r':

                            goto case '\n';

                        case '\n':

                            int j = field.Length - 1;

                            while (j >= 0 && field[j] == ' ' || field[j] == '\t')

                            {

                                --j;

                            }

                            if (j < 0) { result.Add(null); }

                            else if (j < field.Length - 1)

                            {

                                result.Add(field.Substring(0, j + 1));

                            }

                            else

                            {

                                result.Add(field);

                            }

                            done = true;

                            break;

                        default:

                            ++i;

                            field += c;

                            break;

                    }

                    break;

                default:

                    throw new InvalidOperationException();

            }

        }

        return result;

    }

}