＿＿＿＿＿ ＿＿＿＿＿
|        /|＼         |
|       / |  ＼       |
|      /  |    ＼     |
|     /   |      ＼   |
|A   | ヽA|Aノ     | A|
|G>  | へG|Gヘ     |<G|
|ﾉ   |   >|<       | <|
 ￣￣|   / ＼      |￣
     |  /    ＼    |
     | /       ＼  |
     |/          ＼|