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


参考：2002/01/11(金)18時27分42秒