/// <summary>
/// Helper method used during the initialisation of the sudoku board. Places the cube
/// controller in the correct list of the available count map.
/// </summary>
/// <param name="cubeController">The cube controller to be placed in available count map</param>
private void AddCubeToAvailableCountMap(CubeController cubeController)
{
if (cubeController.CubeNumber != 0)
{
SelectedCubeList.Add(cubeController);
}
else
{
NumberCountToCubeListMap[cubeController.CountAvailableNumbersForCube()].Add(cubeController);
}
}