                                                 1986                
                                                                                           
                                                                                   5   3   3                                        
           170     1024           512    2    1    3  8    256     9   4   128     68   25           
                                                                                                                                      
                                    100                            128                                              
     2015   5                                     256                    256                     128                                                                                                        8      128                                                            
      2017    1024       2018        512        512         512                                  512                                           256                                           256                     7        12              2018          128                                          