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87 98 87 99 88 00 88 01 88 02 88 03 88 04 88 05 88 06 88 07 88 08 88 09 88 10 88 11 88 12 88 13 88 14 88 15 88 16 88 17 88 18 88 19 88 20 9130 9129 9128 9127 9126 9125 9124 9123 9122 9121 9120 9119 9118 9117 9116 9115 9114 9113 9112 9111 9110 9109

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