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12 35 12 36 12 37 12 38 12 39 12 40 12 41 12 42 12 43 12 44 12 45 12 46 12 47 12 48 12 49 12 50 1390 1389 1388 1387 1386 1385 1384 1383 1382 1381 1380 1379 1378 1377 1376

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