There are impossible/overlapping parts at the corners, which Factorio autoresolves. It also does not put power lines on the east and west walls, and the lines on the north and south do not get placed, as they are supposed to be placed inside the turrets.
Input string:
0eNqNj8EKwjAQRP9lzluwoRaaXxGRVhdZSDelSdVS8u821YOgB4+zzLydWdC5iYdRNMIukLPXAHtYEOSqrcu3OA8MC4ncg6Btn1WIXrm4t84hEUQv/IAt05HAGiUKvyibmE869R2Pq+FXnjD4sEa85m8ZYwgzbFGalOiLYf5iFG9IZqyltvL2YyvhxmPY/HVVmf2uaUxdpfQE499ZXg==
Using these settings here:
http://www.autotorio.com/?belt_type=Fast%20Transport%20Belt&undergroundBelts=false&trainDirection=Left&minedOreDirection=Up&minerSpace=2&useStackInserters=true&botBased=false&requestItem=Iron%20Ore&turretType=Laser%20Turrets&turretSpacing=2&walls=true&wallThickness=2&wallSpace=9&exitRoute=true&locomotiveCount=2&cargoWagonCount=8&concrete=None&borderConcrete=None&trackConcrete=None
With this balancer I whipped up:
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
There are impossible/overlapping parts at the corners, which Factorio autoresolves. It also does not put power lines on the east and west walls, and the lines on the north and south do not get placed, as they are supposed to be placed inside the turrets.