This started life as a small Masyu meant to showcase an interesting pattern. I'm not quite sure how it ended neither small, nor a showcase for said pattern. On the tricky side of average far as difficulty is concerned I guess.
Consecutive Circles Sudoku by Bill Murphy
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(This post is part of the Genuinely Approachable Sudoku (GAS) series.) In a
Consecutive Circles Sudoku, each circumference contains a sequence of
digits ...
6 hours ago


