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