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