Afterthought: based on rough measurements post blocking, I used approximately 82g before turning to work across the edge and used approximately 18g for the remaining rows, which means I turned when I had about 18% of my yarn remaining.

22” wide, 11” at row 51.
12m per 2 rows. est 312m 1-51.
6.5m per 2 rows part b. est 137m 52-72.

angular
angularity
easy angles
easily angular
unexpectedly angled
unexpectedly angular
unexpected angles