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