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