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