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17 4 17 5 17 6 17 7 17 8 17 9 18 0 18 1 18 2 18 3 18 4 18 5 18 6 18 7 18 8 18 9 1136 1135 1134 1133 1132 1131 1130 1129 1128 1127 1126 1125 1124 1123 1122

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