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15 57 15 58 15 59 15 60 15 61 15 62 15 63 15 64 15 65 15 66 15 67 1388 1387 1386 1385 1384 1383 1382 1381 1380 1379

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