Quote:
Originally Posted by ceptimus
I don't try to keep a scratchpad in my mind of which numbers are still possible in which squares. My short term memory cache has insufficient capacity and is too error-prone.
So I find myself repeatedly cycling through the 1-2-3-4-5-6-7-8-9 check in my head (sometimes I go in the reverse order for a change) and only trying to remember two or three numbers at once, most of the time. That's my excuse for why I'm so slow.
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I don't generally bother to take notes on online Sudoku puzzles, but the local paper's version has automated pencil marks which I use when I decide I can't get past cycling through numbers and need more information. I go 9->1 for no reason other than I started that was on a lark, same reason why I always start Wordle with "freak".
Re: Sudokle
le is the only one I do that requires keeping track of the options in my head. It is much more challenging, especially when I was a beginner, but the result is that it has definitely improved my skill level. 
Linear Mode
