private static StoreMessage ParseStoreMessage(string dataFromClient)
        {
            var parts        = dataFromClient.Split(new char[] { '@' }, StringSplitOptions.RemoveEmptyEntries);
            var i            = 0;
            var storeMessage = new StoreMessage();

            foreach (var part in parts)
            {
                if (i == 0)
                {
                    storeMessage.Location = part;
                }
                else if (i == 1)
                {
                    i++;
                    continue; // part == "Store" (function name)
                }
                else
                {
                    if (int.TryParse(part, out int messageNumber)) // last part, containing count
                    {
                        storeMessage.MessageNumber = messageNumber;
                    }
                    else // actual passing
                    {
                        storeMessage.Passings.Add(Passing.Parse(part));
                    }
                }
                i++;
            }

            return(storeMessage);
        }