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