public static void PrintBoard(bool isActivePlayer, List <List <Square> > board)
        {
            int    rowNumber = 1;
            string rowToPrint;

            UI.PrintMessage(UI.topLine);
            UI.PrintMessage(UI.separatorLine);

            foreach (List <Square> element in board)
            {
                if (rowNumber < 10)
                {
                    rowToPrint = rowNumber.ToString() + UI.longSeparator;
                }
                else
                {
                    rowToPrint = rowNumber.ToString() + UI.shortSeparator;
                }

                foreach (Square square in element)
                {
                    square.updateVisualRepresentation();
                    if (!isActivePlayer && square.visualRepresentation == UI.notHitShipMark)
                    {
                        rowToPrint += UI.notHitEmptyMark;
                    }
                    else
                    {
                        rowToPrint += square.visualRepresentation;
                    }
                }
                UI.PrintMessage(rowToPrint);
                UI.PrintMessage(UI.separatorLine);
                rowNumber++;
            }
        }
        public static int[] GetPairCoordinates()
        {
            int[] coordinates   = { -1, -1 };
            bool  correctAnswer = false;

            while (!correctAnswer)
            {
                string userPlacement = Console.ReadLine();

                try
                {
                    coordinates[0] = int.Parse(userPlacement.Substring(1)) - 1;
                    coordinates[1] = Validation.TranslateCoordinates(userPlacement[0]);
                }
                catch (FormatException)
                {
                    UI.PrintMessage("Wrong coordinates format. First enter column letter, than row number. For example \"a1\".");
                    continue;
                }
                catch (ArgumentException error)
                {
                    UI.PrintMessage(error.Message);
                    continue;
                }

                if (Validation.IsAnswerValid(coordinates))
                {
                    correctAnswer = true;
                }
                else
                {
                    UI.PrintMessage("You are out of range!");
                }
            }
            return(coordinates);
        }