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