нок (51и 17)  =51                    нок (16и 48)=48

51|3        17|17                                16|2        48|2

17|17         1|                                     8|2         24|2

1|                                                       4|2         12|2

                                                          2|2           6|2

                                                          1|              3|3

                                                                            1|