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