＿＿＿＿＿＿∧＿＿＿＿＿＿＿＿＿＿
／ ＼
拡大図
..(╬◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢)(╬◣д◢)(╬◣д◢╬)(◣д◢╬)(◣д◢╬)
..(╬◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢) ..(╬◣д◢╬) (◣д◢╬)
(╬◣д◢)(╬◣д◢)(╬◣д◢╬)(◣д◢╬)(◣д◢╬)