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


参考：2000/10/05(木)22時20分56秒