unsolvable sample?

unsolvable sample?

My solver determines that the attachment is unsolvable. Does yours?

下载 intermediate_road.to.nowhere2.txt221 字节
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Hi John,

My solver also determines that this puzzle is unsolvable.

Here is a picture of it:

My solver also determined the same result.
By the way, how did you construct this puzzle?

I pulled this and other in the collection from the internet... I forget where exactly but a search on "masyu puzzle samples" took me to a page of raw file listings, and I grabbed them all.

My solver also determined the same result.

Error Point (3, 9) Black Point

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