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13 72 13 73 13 74 13 75 13 76 13 77 13 78 13 79 13 80 13 81 13 82 13 83 13 84 13 85 13 86 13 87 1394 1393 1392 1391 1390 1389 1388 1387 1386 1385 1384 1383 1382 1381 1380

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