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21 9 22 0 22 1 22 2 22 3 22 4 22 5 22 6 22 7 22 8 22 9 23 0 23 1 23 2 23 3 23 4 1365 1364 1363 1362 1361 1360 1359 1358 1357 1356 1355 1354 1353 1352 1351

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