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