Puzzle #20 – Masyu (All White)

My second puzzle in my attempts to make variations, and to make up for not posting a puzzle on Monday. This one is the opposite of Puzzle #19 – Masyu (All Black), and is probably harder as well. Despite taking several tries to get it right, I am quite pleased in how it turned out. Unlike the All Black, it is feasible to construct an All White puzzle without using any black circles at all. Furthermore, this puzzle heavily uses the rule that all white circles are marked.

Standard Masyu Rules. Additionally, all possible white circles are placed in the puzzle. ie. If the path goes through a square without a white circle, then it must either turn on that square, or go straight in both of the squares adjacent to it.

Puzzle #20 - Masyu (All White)



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