The usual Sudoku rules apply, i.e., in each row, column, and 3x3 box there must be exactly one each of the digits 1-9. The digits in cages add up to the indicated sum (if shown), and digits may not repeat within a cage.
Colors serve no further purpose than to make the snake pattern easier to see. They have not been retained for the online solving link other than for the two 9-cell cages.
More information about what inspired this pattern: Conway-Criterion
Solution code: Row 2, then column 8 (18 digits total)
on 19. October 2021, 13:27 by Playmaker6174
Fun puzzle with smooth and pleasant solve :)
on 19. October 2021, 12:38 by RockyRoer
Can digits repeat in a “snake”?
Yes, except on the 9-cell ones of course. The snakes are just a design. Otherwise normal killer cage rules apply.
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