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12 89 7 12 89 8 12 89 9 12 90 0 12 90 1 12 90 2 12 90 3 12 90 4 12 90 5 12 90 6 12 90 7 3369 3368 3367 3366 3365 3364 3363 3362 3361 3360

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