Sunday Stumper: Tapa-Like Loop (Transparent) by Prasanna Seshadri

Since 2021, we have posted some extra difficult Sunday Stumpers, about once a month. These will be quite tough puzzles, but with a logical path to be found (and solution videos to help). This tenth Sunday Stumper of 2022 is a Tapa-Like Loop (Transparent) puzzle by Prasanna Seshadri. Will all the cells be used in this puzzle like the title and the clues suggest?

Tapa-Like Loop by Prasanna Seshadri

(view directly for a larger image)


or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s on edges)

Theme: All Cells?

Author/Opus: This is the 243rd puzzle from contributing puzzlemaster Prasanna Seshadri.

Rules: Variation of Tapa-Like Loop rules. (Form a single non-intersecting loop. Clues inside the grid represent the number of neighboring cells visited by the loop; if there is more than one number in a cell, each number should be represented with a separate loop segment. There is no 2×2 rule of Tapa in this puzzle.)

The loop can travel through clue cells. Each clue now describes the entire 3×3 area the clue cell is in the middle of.

See also this example:

Tapa-Like Loop (Transparent) Example by Serkan Yürekli

Difficulty: 5 stars

Time Standards (highlight to view): Grandmaster = 32:00, Master = 45:00, Expert = 1:30:00

Solution: PDF and solving video.

Note: Follow this link for other Tapa-Like Loop puzzles. More Tapa-Like Loop puzzles can be found in the Tapa-Like Loop Collection by Prasanna Seshadri.

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