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88 8 88 9 89 0 89 1 89 2 89 3 89 4 89 5 89 6 89 7 89 8 1445 1444 1443 1442 1441 1440 1439 1438 1437 1436

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