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74 5 74 6 74 7 74 8 74 9 75 0 75 1 75 2 75 3 75 4 75 5 1381 1380 1379 1378 1377 1376 1375 1374 1373 1372

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