+   +---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   |   |   |
+---+---+---+---+---+---+---+---+---+   +

strt
+   +---+---+---+---+---+---+---+---+---+
| x   x   x   x | x   x   x | x   x   x |
+---+---+---+   +   +---+   +---+   +---+
| x   x   x | x | x   x | x   x | x   x |
+   +---+---+   +---+   +---+---+   +   +
| x   x   x   x | x   x   x   x | x | x |
+   +   +---+---+   +   +---+   +   +---+
| x | x   x   x | x | x | x | x | x | x |
+   +   +---+   +   +   +   +   +   +   +
| x | x | x   x | x | x | x | x   x   x |
+   +   +---+---+---+   +   +   +---+---+
| x | x   x   x   x | x | x   x | x   x |
+---+---+---+---+   +   +   +   +   +   +
| x   x   x   x   x   x | x | x   x | x |
+---+---+---+---+---+---+---+---+---+   +
                                     fin!

strt
+   +---+---+---+---+---+---+---+---+---+
| x x x x x x x | x x x x x | x x x x x |
+-x-+-x-+-x-+   +   +---+   +---+   +---+
| x x x x x | x | x   x | x   x | x   x |
+ x +-x-+-x-+   +---+   +---+---+   +   +
| x x x x x x x | x   x   x   x | x | x |
+ x + x +-x-+---+   +   +---+   +   +---+
| x | x x x x x | x | x | x | x | x | x |
+ x + x +-x-+   +   +   +   +   +   +   +
| x | x | x x x | x | x | x | x   x   x |
+ x + x +-x-+---+---+   +   +   +---+---+
| x | x x x x x x x | x | x   x | x   x |
+-x-+-x-+-x-+---+   +   +   +   +   +   +
| x x x x x x x x x   x | x | x   x | x |
+---+---+---+---+---+---+---+---+---+   +
                                     fin!

grid is 19x13  maze[19][13]

strt
+   +---+---+---+---+---+---+---+---+---+
|0,0 1,0 2,0 3,0 4,0 5,0 6,0 7,0 8,0|9,0|
+---+---+   +---+---+---+---+---+   +   +
|0,1 1,1|   |   |               |       |
+   +---+   +   +   +---+---+   +---+---+
|0,2|   |2,2|           |       |       |
+   +   +   +---+---+   +   +   +   +   +
|0,3    |   |3,3        |   |       |   |
+---+   +   +   +---+---+   +---+---+   +
|0,4        |    4,4|       |   |       |
+   +---+---+   +   +   +   +   +   +---+
|0,5    |       |   |5,5|   |           |
+   +   +---+---+   +   +---+---+---+---+
|0,6|               |5,6 6,6 7,6 8,6 9,6|
+---+---+---+---+---+---+---+---+---+   +
                                     fin!