def reorder_384well(df, reorder_col):
    """Reorder values so that the odd, then the even locations are
    transferred. This is faster for a 384-well plate
    df: pandas.DataFrame
    reorder_col: column name to reorder
    """
    df['TECAN_sort_IS_EVEN'] = [x % 2 == 0 for x in df[reorder_col]]
    df.sort_values(by=['TECAN_sort_IS_EVEN', reorder_col], inplace=True)
    df = df.drop('TECAN_sort_IS_EVEN', 1)
    df.index = range(df.shape[0])
    return df