Hurrah! Have you put in a lifeline at all before? That might help you preserve your progress if you have to rip out again. Chart B...damn, I don't have my pattern in front of me, but that's the one we do three times, right? No, that's A...well, point is, maybe after your next purl row you can pop in a lifeline. :-D Just make sure you don't feed it through your stitch markers! I did that once (and had the kind of markers that are just little closed loops) and OMG, the annoyance when I realized my mistake...