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