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