┏━┯━┯━┯━┯━┯━┯━┯━┓
       ┃　│　│　│　│　│　│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│　│　│　│　│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
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       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│　│○│●│　│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│　│○│●│●│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│　│●│　│　│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│●│　│　│　│　│　┃
       ┠─┼─┼─┼─┼─┼─┼─┼─┨
       ┃　│　│　│　│　│　│　│　┃
       ┗━┷━┷━┷━┷━┷━┷━┷━┛

参考：2002/01/11(金)18時26分06秒