Given an insertion and its sequence context, categorize it.
Canonicalize1INS(context, ins.sequence, pos, trace = 0)
The deleted sequence plus ample surrounding
sequence on each side (at least as long as ins.sequence
* 6).
The deleted sequence in context
.
The position of ins.sequence
in context
.
If > 0, then cat information how the computation is carried out.
A string that is the canonical representation of the given insertion type