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