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