[Tutor] Creating a two dimension set

[Dennis Lee Bieber]

On Mon, 1 Nov 2021 19:52:49 +1100, Cameron Simpson <cs at cskk.id.au>
declaimed the following:

>I wouldn't use strings. If you're doing Sudoku don't you want to do 
>arithmetic to check the sum? May as well make a set of ints:
>
	No arithmetic done in Sudoku... You can replace the 1..9 with A..I, or
even emojis (if you can mentally keep track of such). The only thing one is
doing is eliminating candidates for a cell if that candidate was already
used on the row/column.



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	Wulfraed                 Dennis Lee Bieber         AF6VN
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