$lo_1 would never be the last index in the array, so no.

The highest order change is either moving element index 8 to 9 or moving 9 to 8. In either case $lo_1 will be 8, and $lo_1 + 1 will be 9, and in range.

I think the above is the best solution here.

---
my name's not Keith, and I'm not reasonable.

In reply to Re^3: Difference between two arrays by reasonablekeith
in thread Difference between two arrays by rafl

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