25
15
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
|       |                   |       |                           |           |               |       |
+---+   +   +   +---+---+   +   +   +   +   +---+---+---+---+   +---+   +   +---+---+---+   +   +   +
|       |   |   |       |   |   |   |   |       |           |           |               |       |   |
+   +---+   +   +   +   +   +   +   +---+---+   +   +---+   +---+---+---+---+---+---+   +---+   +   +
|       |   |       |   |       |               |   |   |       |                   |       |   |   |
+---+   +   +---+---+   +---+---+---+---+---+---+   +   +   +---+   +   +---+---+   +---+   +---+   +
|   |   |   |       |                       |   |   |   |       |   |   |       |       |       |   |
+   +   +   +   +   +---+---+---+---+---+   +   +   +   +---+   +   +   +   +   +---+   +---+   +   +
|   |   |   |   |                           |   |       |       |   |   |   |           |   |       |
+   +   +---+   +---+---+---+---+---+---+---+   +---+   +   +---+   +   +---+   +---+---+   +---+   +
|   |       |   |               |                   |   |   |       |       |   |               |   |
+   +---+   +   +   +   +---+   +   +---+---+---+   +   +   +   +---+---+   +   +   +---+   +   +   +
|       |   |   |   |       |   |   |       |       |   |   |           |   |   |   |       |   |   |
+   +   +   +   +   +---+   +---+   +---+   +   +   +   +   +   +---+---+   +   +---+   +---+   +   +
|   |       |   |   |   |       |           |   |   |   |       |           |   |       |       |   |
+   +---+---+   +   +   +---+   +   +---+---+   +---+   +---+---+   +---+---+   +   +   +---+---+   +
|   |           |           |   |   |       |       |       |   |           |       |   |       |   |
+   +---+---+   +---+---+   +   +   +   +   +   +   +---+   +   +---+---+   +   +---+---+   +   +   +
|           |   |       |   |       |   |   |   |       |       |       |   |   |       |   |       |
+---+---+   +   +   +---+   +---+---+   +   +---+   +---+---+   +   +---+   +   +   +   +   +---+---+
|           |   |       |   |   |       |       |           |   |       |   |   |   |       |       |
+   +---+---+   +---+   +   +   +   +---+---+   +   +   +   +   +---+   +   +   +   +---+---+   +   +
|       |           |           |   |           |   |   |   |           |   |   |   |           |   |
+---+   +---+---+   +---+---+---+   +   +---+---+   +   +   +---+---+   +   +---+   +---+---+   +   +
|   |   |       |                   |   |           |   |       |       |       |               |   |
+   +   +   +   +---+---+   +---+---+   +   +---+---+   +---+---+   +---+---+   +---+---+---+---+   +
|   |   |   |   |       |           |   |   |       |   |       |           |   |       |       |   |
+   +   +   +   +   +   +---+---+---+   +   +   +   +   +   +   +---+---+   +   +   +   +   +   +   +
|           |       |                   |       |   |       |               |       |       |       |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
