Change the last JK~DK to 21, that's actually what I do but when I found that combo and put it in the variation discussion thread I was optimising lol. For consistency just end in 21, I'd assume it's only 1% lessish.
I posted that one and a few others in the Hat Trick discussion thread some time ago so if you look through it you'll find some. Seems B22 is his best starter in this variation, at least it seems that way to me.