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48 70 9 48 71 0 48 71 1 48 71 2 48 71 3 48 71 4 48 71 5 48 71 6 48 71 7 48 71 8 48 71 9 48 72 0 48 72 1 48 72 2 48 72 3 48 72 4 48 72 5 48 72 6 48 72 7 48 72 8 48 72 9 48 73 0 48 73 1 21410 21409 21408 21407 21406 21405 21404 21403 21402 21401 21400 21399 21398 21397 21396 21395 21394 21393 21392 21391 21390 21389

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