Normal sudoku rules apply. Digits along an arrow sum to the digit in the circle.
Clues outside the grid indicate the sum of the first X digits in that direction, where X is the first digit in that row/column.
In the red cells, digits indicate where the column number is in that row (ie. if r7c1 is 8, then 8 is in r7c8 is 1)
Solution code: Row 8
on 10. September 2023, 15:47 by Snookerfan
Very nice! That one deduction involving R7C6 made me smile from ear to ear. Thank you
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Creator: That is one of my favorite deductions in this puzzle.