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