I have come upon my first brain-fart in my exercise of adding a set a day. Wow, that was fast!
However this is the point of my practicing sets at home - to discover which ones I've committed to memory completely and which require more practice to solidify them. Someday I may be called upon to teach these more Intermediate/Advanced sets to others - so I need to be sure that I know them completely.
So, you pesky Straight Sword, I will commit you to memory yet!
But for now I have to get back to my day job.