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28 40 9 28 41 0 28 41 1 28 41 2 28 41 3 28 41 4 28 41 5 28 41 6 28 41 7 28 41 8 28 41 9 28 42 0 28 42 1 28 42 2 28 42 3 28 42 4 28 42 5 28 42 6 28 42 7 28 42 8 28 42 9 28 43 0 28 43 1 40530 40529 40528 40527 40526 40525 40524 40523 40522 40521 40520 40519 40518 40517 40516 40515 40514 40513 40512 40511 40510 40509

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