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