                                     1266                                                                                                                                                                   1268   5   18                  1270                                                 1271                                                                                                                                                                              1272                                                                   1275   2      3                                                                                                                          1276                                 1277   4   15                                                               4   16                                                            4   23                          4   28       5   11    6   8     30       55                       7                                                        1279   8   17                                                                    1279   11  27                                                                    1280   10  18            20                                                                                                           1281                                                                                                     10   27    10   30                                                                                                                                                                                     11                                         1282   4   1     48                                                 