Yajilin (Strict Transparent) by Joseph Howard

Yajilin by Joseph Howard


or solve online (using our beta test of Penpa-Edit tools)

Theme: Every Which Way but Up

Author/Opus: This is the 13th puzzle from guest contributor Joseph Howard.

Rules: Variation of Yajilin rules, including both diagonal arrows and transparent clues that the loop can pass through. Any clue cells that are part of the loop must be true and indicate the number of shaded cells in that direction. Any clue cell that is not part of the loop must be blackened, and the clue value MUST also be false (e.g., if a 2 left clue is blackened, there must be some number of cells other than 2 blackened to the left of the clue).

See also this example:

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 4:15, Master = 10:30, Expert = 21:00

Solution: PDF; a solution video is also available here.

Note: Follow this link for other classic Yajilin. If you are new to this puzzle type, here are our easiest Yajilin to get started on. More Yajilin puzzles can be found in The Art of Puzzles 2, in Yajilin by Murat Can Tonta and Prasanna Seshadri, and in our beginner-friendly book Logic Puzzles 101.

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