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87 12 87 13 87 14 87 15 87 16 87 17 87 18 87 19 87 20 87 21 87 22 87 23 87 24 87 25 87 26 87 27 35987 35986 35985 35984 35983 35982 35981 35980 35979 35978 35977 35976 35975 35974 35973

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