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30 7 30 8 30 9 31 0 31 1 31 2 31 3 31 4 31 5 31 6 31 7 31 8 31 9 32 0 32 1 32 2 1160 1159 1158 1157 1156 1155 1154 1153 1152 1151 1150 1149 1148 1147 1146

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