+------
|
|
|   --+
|     |
|     |
+-----+

+-----+
|     |
|     |
|     |
|     |
|     |
+-----+

---+---
   |
   |
   |
   |
   |
---+---

|     |
|\    |
| \   |
|  \  |
|   \ |
|    \|
|     |

+------
|
|
|   --+
|     |
|     |
+-----+





+------
|
|
|   --+
|     |
|     |
+-----+

+-----+
|     |
|     |
|     |
|     |
|     |
+-----+

---+---
   |
   |
   |
   |
   |
---+---

|     |
|\    |
| \   |
|  \  |
|   \ |
|    \|
|     |

+------
|
|
|   --+
|     |
|     |
+-----+





+------
|
|
|   --+
|     |
|     |
+-----+

+-----+
|     |
|     |
|     |
|     |
|     |
+-----+

|     |
|\    |
| \   |
|  \  |
|   \ |
|    \|
|     |

+------
|
|
+------
|
|
+------