Grant Fikes finds this puzzle extremely trial-and-errory, even if you spot patterns. I, of course, beg to differ. Do comment. (Rules.)
Region Sum Lines Windoku by Philip Newman
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(This post is part of the Genuinely Approachable Sudoku (GAS) series.) A
storm at a certain Sudoku setter’s house precipitated a leak around one of
the w...
1 day ago














