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