Coordinate X: Y: Search

90 80 90 81 90 82 90 83 90 84 90 85 90 86 90 87 90 88 90 89 90 90 90 91 90 92 90 93 90 94 90 95 90 96 90 97 90 98 90 99 91 00 91 01 91 02 91 03 91 04 91 05 91 06 91 07 91 08 91 09 91 10 5509 5508 5507 5506 5505 5504 5503 5502 5501 5500 5499 5498 5497 5496 5495 5494

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid