---

cd /tmp
i=0
while read off; do
  i=$((i+1))
  start=$((off-2))
  dd if=mda.bin bs=1 skip=$start count=65536 2>/dev/null \
    | awk '{print} /^}$/{exit}' > v3_$i.txt
  echo "== v3_$i.txt"
  grep -m1 seqno v3_$i.txt
  tail -n 1 v3_$i.txt
  grep -c "q1m7Hw-Udaq-GSiV-1xY1-SP2R-vJs9-SU22cI" v3_$i.txt
  grep -c "logical_volumes" v3_$i.txt
done < offs.txt