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