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53 29 53 30 53 31 53 32 53 33 53 34 53 35 53 36 53 37 53 38 53 39 37389 37388 37387 37386 37385 37384 37383 37382 37381 37380

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