+/D                                                                                      /LR+/D                                                                                                                                                                                                   /LR
  R,.------------------------------------------------------------------------------------/UU  R>++++++++++++++++++++++++++++++++++++++++++++++++++/D                                                                                                                                     /LR>,+.<</UU
                                                                                                                                                   R>,+<</D         /LR>>.---------------------------------------------------------------------------/D                     /LR>/D /LR<<-/UU         
                                                                                                                                                          R>>->+<<<-/UU                                                                               R>/D        /LR</D /LR/UU  R-/UU               
                                                                                                                                                                                                                                                         R<<<+>>>-/UU  R+/UU