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