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12 92 12 93 12 94 12 95 12 96 12 97 12 98 12 99 13 00 13 01 13 02 13 03 13 04 13 05 13 06 13 07 1691 1690 1689 1688 1687 1686 1685 1684 1683 1682 1681 1680 1679 1678 1677

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