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