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53 86 9 53 87 0 53 87 1 53 87 2 53 87 3 53 87 4 53 87 5 53 87 6 53 87 7 53 87 8 53 87 9 53 88 0 53 88 1 53 88 2 53 88 3 53 88 4 53 88 5 53 88 6 53 88 7 53 88 8 53 88 9 53 89 0 53 89 1 15420 15419 15418 15417 15416 15415 15414 15413 15412 15411 15410 15409 15408 15407 15406 15405 15404 15403 15402 15401 15400 15399

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