public IEnumerator LoadGrid(MapClass map)
    {
        map.CreateTestGrid();
        cells          = map.cells;
        placementCells = map.placementCells;
        sideAStart     = map.sideAStart;
        sideBStart     = map.sideBStart;

        InstantiateGrid();
        SetAdjacentCells();
        SetPlacementCells();
        yield return(null);
    }