Observation - Sudoku

[NelleG]

I have Sudoku on my phone and ipad. I haven’t been able to do a few of the daily challenges this month. Right now I am 21+ hours fasted and just kicked ass on one of the ones I have not been able to do. That is all

[VLC.MD]

NSV.
Brain runs better on ketones.
or you are learning.
both