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


参考：2002/10/07(月)23時27分43秒