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21 92 21 93 21 94 21 95 21 96 21 97 21 98 21 99 22 00 22 01 22 02 22 03 22 04 22 05 22 06 22 07 58636 58635 58634 58633 58632 58631 58630 58629 58628 58627 58626 58625 58624 58623 58622

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