gistfile1.txt

        public List<Coordinate> FindLine()
        {
            Coordinate _current = new Coordinate(0, 0);
            List<Coordinate> _path = new List<Coordinate>() { _current };

            while(true)
            {
                bool _added = false;
                if (m_board[_path[0].x, _path[0].y] != -1)
                {
                    for (int i = 0; i < _path.Count; i++)
                    {
                        if (_path[i].x + 1 < m_board.GetLength(0)
                            && !_path.Contains(new Coordinate(_path[i].x + 1, _path[i].y))
                            && m_board[_path[i].x, _path[i].y] == m_board[_path[i].x + 1, _path[i].y])
                        {
                            _path.Add(new Coordinate(_path[i].x + 1, _path[i].y));
                            _added = true;
                            break;
                        }

                        if (_path[i].y + 1 < m_board.GetLength(1)
                            && !_path.Contains(new Coordinate(_path[i].x, _path[i].y + 1))
                            && m_board[_path[i].x, _path[i].y] == m_board[_path[i].x, _path[i].y + 1])
                        {
                            _path.Add(new Coordinate(_path[i].x, _path[i].y + 1));
                            _added = true;
                            break;
                        }

                        if (_path[i].x - 1 >= 0
                            && !_path.Contains(new Coordinate(_path[i].x - 1, _path[i].y))
                            && m_board[_path[i].x, _path[i].y] == m_board[_path[i].x - 1, _path[i].y])
                        {
                            _path.Add(new Coordinate(_path[i].x - 1, _path[i].y));
                            _added = true;
                            break;
                        }

                        if (_path[i].y - 1 >= 0
                            && !_path.Contains(new Coordinate(_path[i].x, _path[i].y - 1))
                            && m_board[_path[i].x, _path[i].y] == m_board[_path[i].x, _path[i].y - 1])
                        {
                            _path.Add(new Coordinate(_path[i].x, _path[i].y - 1));
                            _added = true;
                            break;
                        }
                    }
                }
                
                if (_added)
                {
                    continue;
                }

                if (_path.Count >= m_initBoardData.minLineNeededCount)
                {
                    break;
                }

                _path.Clear();

                Coordinate _next = new Coordinate(_current.x + 1, _current.y);
                if (_next.x >= m_board.GetLength(0))
                {
                    _next.x = 0;
                    _next.y++;
                    if (_next.y >= m_board.GetLength(1))
                    {
                        break;
                    }
                }
                _current = _next;
                _path.Add(_next);
            }

            return _path;
        }