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