572
576
so that parsers do not need to perform time consuming string
573
577
lookups. Every read in a contig has exactly one AT line.
576
580
[x2 y2] of the read (i.e., the unclipped data, also called the 'clear range')
577
581
aligns with the interval [x1 y1] of the contig. If x1 > y1 (the contig
578
582
positions), then the reverse complement of the read is aligned to the