Introduction - If you have any usage issues, please Google them yourself
This procedure is for the maze from the entrance to the export of all paths. In the search but also the establishment of a stack, the road to record, back when the road will withdraw from the pop-up from the stack. This guarantees that the ultimate preservation of the labyrinth of a way out. Stack at the end of the element coordinates for the entrance, Top-element for the maze of export coordinates