.
                                  brain
                              brain brain
                        brain brain brain
                        brain brain brain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
                         brainbrainbrain
           brainbrainbrain brainbrainbrain
         brain brain brain  brain brain brain
           brainbrainbrain  brainbrainbrain
                     brain                   brain