Up and down

                                                           OUCH! What? Well, we've reached the top, haven't we? Oh yeah we have.
                                                        and                                                                             AAAA!
                                                      up                                                                                AAAA!
                                                    up                                                                                  AAAA!
                                                  up                                                                                    AAAA!
                                                up                                                                                      AAAA!
                                              up                                                                                        AAAA!
                                            up                                                                                          AAAA!
                                          up                                                                                            AAAA!
                                        up                                                                                              AAAA!
                                      up                                                                                                AAAA!
                                    up                                                                                                  AAAA!
                                  up                                                                                                    AAAA!
                      up again and                                                                                                      AAAA!
                  and                                                                                                                   AAAA!
                up                                                                                                                      AAAA!
              up                                                                                                                        AAAA!
            up                                                                                                                          AAAA!
          up                                                                                                                            AAAA!
        up                                                                                                                              AAAA!
      up                                                                                                                                AAAA!
    up                                                                                                                                  AAAA!
  up                                                                                                                                    AAAA!
Up                                                                                                                                      AAAA!