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