Normal sudoku rules apply.
159: Digits in column 1 indicate the column in which the digit 1 appears in that row (e.g. if r4c1 is a 6, r4c6 is a 1). The same applies to columns 5 and 9, with the digits 5 and 9 respectively.
Killer: Digits in a cage sum to the small number given.
Have fun, leave a comment if you enjoy the puzzle!
Solution code: Row 8 followed by Row 9
on 6. December 2023, 00:08 by anyeyeball
Another fine 159. Thank you!
on 1. May 2023, 23:50 by rictech
Excellent use of the constraints, thanks!
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