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30 37 2 30 37 3 30 37 4 30 37 5 30 37 6 30 37 7 30 37 8 30 37 9 30 38 0 30 38 1 30 38 2 30 38 3 30 38 4 30 38 5 30 38 6 30 38 7 15467 15466 15465 15464 15463 15462 15461 15460 15459 15458 15457 15456 15455 15454 15453

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