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28 8 28 9 29 0 29 1 29 2 29 3 29 4 29 5 29 6 29 7 29 8 29 9 30 0 30 1 30 2 30 3 30 4 30 5 30 6 30 7 30 8 30 9 31 0 38459 38458 38457 38456 38455 38454 38453 38452 38451 38450 38449 38448 38447 38446 38445 38444 38443 38442 38441 38440 38439 38438

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