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19 3 19 4 19 5 19 6 19 7 19 8 19 9 20 0 20 1 20 2 20 3 20 4 20 5 20 6 20 7 20 8 1141 1140 1139 1138 1137 1136 1135 1134 1133 1132 1131 1130 1129 1128 1127

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