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27 51 9 27 52 0 27 52 1 27 52 2 27 52 3 27 52 4 27 52 5 27 52 6 27 52 7 27 52 8 27 52 9 27 53 0 27 53 1 27 53 2 27 53 3 27 53 4 27 53 5 27 53 6 27 53 7 27 53 8 27 53 9 27 54 0 27 54 1 18540 18539 18538 18537 18536 18535 18534 18533 18532 18531 18530 18529 18528 18527 18526 18525 18524 18523 18522 18521 18520 18519

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