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