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30 72 1 30 72 2 30 72 3 30 72 4 30 72 5 30 72 6 30 72 7 30 72 8 30 72 9 30 73 0 30 73 1 30 73 2 30 73 3 30 73 4 30 73 5 30 73 6 15188 15187 15186 15185 15184 15183 15182 15181 15180 15179 15178 15177 15176 15175 15174

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