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31 40 31 41 31 42 31 43 31 44 31 45 31 46 31 47 31 48 31 49 31 50 31 51 31 52 31 53 31 54 31 55 31 56 31 57 31 58 31 59 31 60 31 61 31 62 31 63 31 64 31 65 31 66 31 67 31 68 31 69 31 70 19759 19758 19757 19756 19755 19754 19753 19752 19751 19750 19749 19748 19747 19746 19745 19744

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