alpha1/                                                                    -
alpha2/                                                                    -
alpha3/                                                                    -
alpha4.1/                                                                  -
alpha4.2/                                                                  -
alpha4.3/                                                                  -
alpha4.4/                                                                  -
alpha4.5/                                                                  -
alpha4.6/                                                                  -
alpha4/                                                                    -
beta1/                                                                     -