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