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