void Awake()
{
GameObject levelInfoGO = GameObject.Find("_LevelManager");
levelManager = (LevelManager) levelInfoGO.GetComponent(typeof(LevelManager));
gridSize = levelManager.getGridSize();
grid = new GameObject();
grid.name = "Grid";
cells = new List<GameObject>(initialCellsNumber);
createCells(initialCellsNumber);
}
