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


参考：2000/10/04(水)21時51分51秒