I learnt the reality of knitting with handpainted yarns. Despite both hanks looking very similar, they knitted up very differently. The second hank was a little darker overall than the first but had many more light patches - Clapotis looked like I had knitted two different fabrics and joined them together in the middle. In other words, it had an obvious dark line across the middle and looked terrible. [Anyone who's ever knitted with two different dyelots would know what I mean!] So, at 11 o'clock last night and 80% completed, I frogged the lot! :-(
I'm now about halfway through section #2, knitting two rows from each ball as I should have done in the first place.
Ah well, we live and learn!