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90 5 90 6 90 7 90 8 90 9 91 0 91 1 91 2 91 3 91 4 91 5 1189 1188 1187 1186 1185 1184 1183 1182 1181 1180

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