Get from a to b. XXes in the cells are floors.
Normal, Random 2D Maze		Public_15_n_1234.txt

+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|     |              |  |           |     |  |
+--+  +--+--+--+  +--+  +  +--+  +--+--+  +  +
|  |                       |  |              |
+  +--+  +--+  +--+  +--+  +  +  +  +--+--+  +
|           |  |        |  |     |        |  |
+  +--+  +--+  +--+  +--+  +  +  +--+  +--+--+
|  |        |  |        |  |  |  |     |  |  |
+--+  +  +--+--+--+  +--+--+--+  +  +  +  +  +
|     |  |        |     |     |  |  |        |
+--+--+--+--+  +  +  +--+  +  +--+--+  +--+  +
|  |  |  |  |  |           |  |     |  |     |
+  +  +  +  +--+--+  +  +  +--+  +  +  +--+--+
|  |  |              |  |  |  |  |           |
+  +  +--+  +  +--+  +--+--+  +--+--+  +--+--+
|           |  |              |              |
+  +  +--+--+--+  +--+  +--+--+--+  +  +--+  +
|  |     |        |     |     |     |  |     |
+  +  +  +  +--+  +--+  +  +--+--+--+  +--+  +
|  |  |  |  |     |  |           |     |     |
+  +  +--+--+--+  +  +  +--+  +--+  +  +--+  +
|  |  |  |        |     |     |     |  |     |
+--+  +  +--+  +--+  +--+  +  +--+  +  +--+  +
| a|  |  |        |     |  |     |  |  |     |
+  +--+  +  +  +  +  +  +  +--+--+  +--+  +--+
|  |        |  |  |  |  |  |           |     |
+  +  +  +  +--+  +  +--+  +--+--+--+  +--+  +
|     |  |  |     |     |  |           |     |
+  +  +--+  +--+--+  +--+--+--+  +--+  +--+  +
|  |  |        |           | b   |     |     |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+


From a to b takes 46 steps.