+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
| @                     |                                                   |                   |
+   +---+---+---+---+   +   +---+---+---+   +---+---+---+---+---+---+---+   +---+---+   +---+---+
|           |   |       |   |           |               |       |       |       |       |       |
+   +---+   +   +   +---+---+   +---+   +---+---+---+   +   +   +   +   +---+   +   +---+   +   +
|   |       |           |       |   |               |       |       |   |       |   |       |   |
+---+   +---+---+---+   +   +---+   +---+---+---+   +---+---+---+   +   +   +---+   +   +---+   +
|       |       |   |       |       |           |   |           |   |   |       |   |   |       |
+   +---+   +   +   +---+---+   +   +   +   +---+   +   +---+   +---+   +---+   +   +   +   +---+
|   |       |   |       |       |   |   |       |       |   |   |       |           |   |       |
+   +   +---+   +---+   +   +   +---+   +---+   +---+---+   +   +   +---+---+---+   +   +---+   +
|   |       |       |   |   |           |           |           |   |       |       |   |   |   |
+   +   +---+---+   +   +   +---+---+---+   +---+   +   +---+---+   +   +   +   +---+   +   +   +
|   |   |       |   |               |   |       |   |               |   |   |   |       |   |   |
+   +   +   +   +   +---+---+---+   +   +---+   +---+---+---+---+   +   +   +---+   +---+   +   +
|       |   |       |       |               |                       |   |       |   |       |   |
+   +---+   +---+---+   +   +---+---+---+   +---+---+---+---+   +---+   +---+   +   +   +---+   +
|   |   |               |   |       |       |       |       |   |       |   |           |       |
+   +   +---+---+---+---+   +   +   +---+---+   +   +   +   +   +   +---+   +---+---+---+   +   +
|                   |   |       |   |           |       |   |   |           |   |       |   |   |
+---+---+---+---+   +   +---+---+   +   +---+---+---+---+   +---+---+---+   +   +   +---+   +---+
|   |           |           |       |   |       |           |           |   |   |       |       |
+   +   +   +---+---+---+   +   +---+   +   +   +   +---+---+   +---+   +   +   +---+   +---+   +
|       |                   |               |   |                   |               |         ! |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+