Canvas
(Published on 18. September 2022, 16:00 by Crusader175)
Inspiration:
Empty Grid by Jodawo
Cross About Dominoes by FullDeck-Missing
Global (Dutch) Whispers by JeremyDover
Rules:
Normal sudoku rules apply.
The finished grid contains the minimum number of friendly cells, i.e. cell that contain digits which match at least one of the row, column, or box number.
Every diagonal of length 7 or more is either entropic lines or isotropic lines. On entropic lines, every set of three sequential digits must contain a low digit (1,2,3), a middle digit (4,5,6), and a high digit (7,8,9). On isotropic lines, all digits are from the same entropic rank (low/middle/high).
Each cell is orthogonally adjacent to at least one cell whose digit has a difference of at least 4 with the digit in the original cell.
Solution code: Row 9 followed by Column 9
Comments
on 12. October 2023, 12:35 by Bankey
This is a work of pure art!! Digit-less grids are fairly common on LMG now, but most of them have some non-numerical clues such as kropki or renban or cages etc, but I think this is the first I have encountered a totally blank opening canvas (a very apt title!), with only some verbal clues to bring alive the play. Many thanks for setting and sharing, @ Crusader175 and FullDeck-Missing :).
Reply: Thank you for the solve and kind comment Bankey!
on 18. September 2022, 19:44 by Raumplaner
You stare at that daunting empty canvas, getting inspired to add first sketches, rough outlines... Then you start to spread some color, then more and more - carefully keeping the contrasts until everything resolves in a piece of art.
Reply: Pretty much describe the puzzle. Thank you! :)
on 18. September 2022, 17:18 by thoughtbyte
This is brilliant! I loved watching this empty grid come alive as I thought through the implications of each constraint and how they interacted. One of my favorite puzzles. Thank you @Crusader175 and @FullDeck-Missing!
Reply: Thank you very much for the solve and kind feedback thoughtbyte!
