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51 1 51 2 51 3 51 4 51 5 51 6 51 7 51 8 51 9 52 0 52 1 52 2 52 3 52 4 52 5 52 6 52 7 52 8 52 9 53 0 53 1 53 2 53 3 11591 11590 11589 11588 11587 11586 11585 11584 11583 11582 11581 11580 11579 11578 11577 11576 11575 11574 11573 11572 11571 11570

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