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27 9 28 0 28 1 28 2 28 3 28 4 28 5 28 6 28 7 28 8 28 9 29 0 29 1 29 2 29 3 29 4 29 5 29 6 29 7 29 8 29 9 30 0 30 1 11539 11538 11537 11536 11535 11534 11533 11532 11531 11530 11529 11528 11527 11526 11525 11524 11523 11522 11521 11520 11519 11518

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