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87 6 87 7 87 8 87 9 88 0 88 1 88 2 88 3 88 4 88 5 88 6 1346 1345 1344 1343 1342 1341 1340 1339 1338 1337

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