Modular killer neg black dot
(Published on 8. October 2022, 06:34 by jcgodart)
Rules:
- Normal sudoku rules apply.
- Modular line : Every set of three sequential digits along a line must contain a complete set of residues modulo 3, i.e. one digit from {1,4,7}, one from {2,5,8}, and one from {3,6,9}.
- Digits along lines may repeat if allowed by other rules.
- Digits in cages cannot repeat and must sum to the total given in the upper left corner of the cage.
- Digits joined by a black dot are in the 1:2 ratio.
- ALL dots are given.
Play online using CTC / SudokuPad or F-Puzzles
Solution code: Row 3 followed by Row 6 (18 digits without spaces)
Solved by SKORP17, Leonard Hal, dhdydg, Bjd, salientropy, ghosting, karen_birgitta, Megalobrainiac, PippoForte, Just me, DaleVandermeer, zhergan, DiMono, morgannamodeaura, finger, tgstar, bansalsaab