Modular Snakes
(Published on 27. October 2023, 09:20 by Prof.Dori)
Modular Snakes
This puzzle is the second collab between me and marty_sears. Got inspired by his recent puzzle Everything in its Right Place and we teamed up together and this is the result. Hope you all enjoy it.
Rules:
Normal sudoku rules apply. Draw 2 snakes which must each begin and end at a different grey spot. Snakes are lines which may move orthogonally and diagonally between cells. They may touch each other (or themselves), but they must not branch, cross or share cells with each other, or enter cages. Both snakes are modular lines, i.e. any three adjacent cells along a snake must include one digit from each of the sets [1,4,7], [2,5,8] and [3,6,9]. Furthermore, a digit on a snake indicates exactly how many times that digit appears on that snake. Eg: If there is a 5 on a snake, then there are five 5s on that snake. Cells separated by an X sum to 10. All cages have the same total which must be determined by the solver.
Solution code: Row 4 followed by row 6.
Comments
on 7. April 2024, 19:33 by sorryimLate
Very beautiful and fair logic although challenging. After solving Marty's puzzle earlier the difficulty felt more like 3-4 stars.
on 16. November 2023, 02:34 by Tony
Beautiful break-in and smooth solve after. Consider a 4.5/5
on 1. November 2023, 23:53 by Lake
Very fun puzzle with lots of different pieces of logic to use throughout. Once again amazed at how much you and Marty are able to discover with the circular reasoning ruleset!
on 1. November 2023, 22:09 by Puzzle Weasel
Absolutely brilliant puzzle. Challenging, but every step was satisfying and I never got stuck for long.
on 1. November 2023, 21:45 by Chad
Crazy clever break-in and intricate use of the ruleset throughout. Beautiful puzzle!
on 1. November 2023, 10:28 by tonald
very good tricks at the start
on 30. October 2023, 15:59 by peacherwu2
Very satisfied at the opening!
on 27. October 2023, 23:59 by yttrio
Fantastic puzzle! This one kept me on my toes from start to finish. There were some very interesting (and tricky) deductions throughout that were really satisfying to discover!
on 27. October 2023, 16:58 by Myxo
Awesome puzzle! I loved figuring out the intricate implications of the ruleset.
