+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
   |              |           |     |     |  |
+  +  +--+--+--+  +  +--+  +  +  +  +  +  +  +
|     |     |  |  |  |     |     |  |  |     |
+--+--+--+  +  +  +--+  +--+--+--+  +  +--+  +
|     |     |  |        |        |     |     |
+  +  +  +--+  +--+--+--+  +  +  +--+--+  +--+
|  |        |  |           |  |           |  |
+  +--+--+  +  +  +--+--+--+--+--+--+--+--+  +
|     |        |     |        |     |  |     |
+--+  +  +  +--+--+  +  +--+  +--+  +  +  +  +
|     |  |        |  |  |     |        |  |  |
+--+--+  +--+  +  +  +  +  +--+  +  +--+  +--+
|     |  |     |        |     |  |     |     |
+  +  +  +--+--+--+--+--+--+  +  +  +  +--+  +
|  |  |        |  |           |  |  |     |  |
+  +  +--+--+  +  +  +--+  +--+  +--+--+  +  +
|  |     |     |  |  |     |     |     |     |
+  +--+  +  +--+  +  +--+--+  +--+  +  +--+  +
|     |     |     |        |     |  |        |
+--+  +--+--+  +--+--+--+  +--+  +  +--+--+--+
|        |              |        |           |
+  +--+--+  +--+--+--+  +--+--+--+--+--+--+  +
|        |  |           |        |           |
+--+--+  +  +  +--+  +--+  +  +  +--+--+--+--+
|        |  |  |     |     |  |     |        |
+  +--+--+  +  +--+--+--+  +  +--+  +  +--+  +
|           |        |     |  |  |     |     |
+--+  +--+--+--+--+  +  +--+  +  +--+--+--+  +
|                 |     |     |               
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Solution[X]