Modular Whisper Lines
(Published on 23. April 2022, 23:00 by jcgodart)
Rule set:
- Normal sudoku rules apply.
- Lines are both Modular and German Whisper Lines.
- Modular lines: 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 on two-cell lines cannot be from the same residue set..
- German Whisper Lines : Neighbouring digits along the lines must differ by at least 5.
- Digits along lines may repeat if allowed by other rules.
- Digits joined by a black dot must be in the 1:2 ratio.
Solution code: Row 1 followed by Column 1 (left to right, top to bottom, 18 digits without spaces)
Solved by fjam, Julianl, SKORP17, PippoForte, jguer, avahales, ghosting, zhergan, jalebc, gxorgx
