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77 4 77 5 77 6 77 7 77 8 77 9 78 0 78 1 78 2 78 3 78 4 78 5 78 6 78 7 78 8 78 9 1343 1342 1341 1340 1339 1338 1337 1336 1335 1334 1333 1332 1331 1330 1329

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