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56 4 56 5 56 6 56 7 56 8 56 9 57 0 57 1 57 2 57 3 57 4 1158 1157 1156 1155 1154 1153 1152 1151 1150 1149

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