33
(Published on 11. February 2025, 06:21 by arctan)
there are nine doubler cells in this puzzle: one in every row, column, and 3x3 box. digits in doubler cells form a complete set of the digits from one to nine (i.e. they cannot repeat). the value of a doubler cell is twice the digit within that cell.
cells separated by a black dot have values that are in a 1:2 ratio (i.e. one value is twice the other). cells along a little killer diagonal have values that add up to the indicated total (always 33). not all black dots or diagonals are necessarily given.
Solution code: digits in row one, left to right
Comments
on 12. February 2025, 21:37 by palpot
Very nice puzzle!
on 12. February 2025, 21:12 by BenTen
Superb puzzle. I loved the beautiful logic that the little killers and doublers produced. Really nicely crafted puzzle. Thanks arctan.
on 12. February 2025, 21:01 by Briks
Liked it very much!
on 11. February 2025, 13:37 by gfoot
Excellent puzzle, nice sparse setup and great use of doubler logic throughout!
