tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
t                                           t                                t         t
t                                           t                                t         t
t                                           t    ttttttttttttttttttttttt     t         t
t                                           t                             ...t         t
t     tttttttttttttttttttttt                t                            t   t         t
t                          tt               tttttttttttttt               t   t         t
t                          t t              t             t              t   t         t
t                          t  t             tttttttttttttttt             t   t         t
ttttttttttttttttttttt      t   t            .                            t   t         t
t                          t    t           .                            t   ttttttttttt
t                          t     t          tttttttttttttttttttttttttttttt            wt
t 1                        t      t    P   t                             t            #t
z#########################################################tttttttttttttttttttttttttttttt