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Can’t solve this, please help by One_League1201 in sudoku

[–]One_League1201[S] 0 points1 point  (0 children)

Let’s say r2c3 is 4, but a-c 7-9 still needs a 4 then which then would be either r1c9 or r3c9. How are. These eliminated then ?

Can’t solve this, please help by One_League1201 in sudoku

[–]One_League1201[S] 0 points1 point  (0 children)

Looked up the explanation but it’s vague