_____________              _____________              _____________          _____
|             |            |             |            |             |        |     |
|     555     |    <---    |     672     |    ....    |     459     |        |  K  |
|_____________|            |_____________|            |_____________|        |_____|

0 -->  373930 -            ->  [nr_[_n_ct_            [v___n_n -->  n
l_c_[b_t]ch -->              nr][[[_fr___]            ]p_g_s -->  ]2]