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54 5 54 6 54 7 54 8 54 9 55 0 55 1 55 2 55 3 55 4 55 5 1176 1175 1174 1173 1172 1171 1170 1169 1168 1167

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