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49 36 9 49 37 0 49 37 1 49 37 2 49 37 3 49 37 4 49 37 5 49 37 6 49 37 7 49 37 8 49 37 9 49 38 0 49 38 1 49 38 2 49 38 3 49 38 4 49 38 5 49 38 6 49 38 7 49 38 8 49 38 9 49 39 0 49 39 1 20540 20539 20538 20537 20536 20535 20534 20533 20532 20531 20530 20529 20528 20527 20526 20525 20524 20523 20522 20521 20520 20519

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