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81 64 81 65 81 66 81 67 81 68 81 69 81 70 81 71 81 72 81 73 81 74 36115 36114 36113 36112 36111 36110 36109 36108 36107 36106

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