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


参考：2000/05/06(土)15時57分23秒