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