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