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18 37 18 38 18 39 18 40 18 41 18 42 18 43 18 44 18 45 18 46 18 47 18 48 18 49 18 50 18 51 18 52 1131 1130 1129 1128 1127 1126 1125 1124 1123 1122 1121 1120 1119 1118 1117

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