15.___.___.___.___.__.__.___.___.___.___.
     15,14|[[[|[[[|[[[|[[[|[[|]]|]]]|]]]|]]]|]]]|
     14,15|_____________________________________|
      15,14\ ^ _ ^ _ ^ _ ^ _ ^ _ ^ _ ^ _ ^ _ ^ /
       15,14|15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14/ \15,15 15,14|
       15,14|15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14| |15,15 15,14|
15.___.__15,14|1,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14]_[15,15 15,14|15,1__.___.
15,14|[[[|[[[|[[[|[[[|[[[|[[[|]]]|]]|]]]|]]]]|]]]|]]]|
14,15|_______________________________________________|
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  15,14|15,15  15,14/  \15,15 15,14/  \15,15 15,14/  \15,15 15,14/  \15,15 15,14/  \15,15 15,14/  \15,15 15,14/  \15,15 15,14/  \15,15  15,14|
  15,14|15,15  15,14|  |15,15 15,14|  |15,15 15,14|  |15,15 15,14|  |15,15 15,14|  |15,15 15,14|  |15,15 15,14|  |15,15 15,14|  |15,15  15,14|
  15,14|15,15  15,14/  \15,15 15,14/  \1,15 15,14/  \1,15 15,14/  \1,15 15,14/  \1,15 15,14/  \1,15 15,14/  \15,15 15,14/  \15,15  15,14|
  15,14|15,15 15,14/    14,15 /---------------------------\ 15,14    \15,15 15,14|