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