[ot][spam][crazy] in place sort of binary strings ie lines in a file

[Undescribed Horrific Abuse, One Victim & Survivor of Many]

> now make list of output byte ranges.
this can be done by starting at the start and summing the lengths.

> then cut the lists so that there is no overlap at the edges. the byte
> ranges turn into sequences.

ok um we need the data ….. um

> then we can swap the sequences one at a time to reorder the data in place.
here also we’ll need to be sure the ranges update when the swap happens