### Snake (Cipher) by Serkan Yürekli

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or solve online (using our beta test of Penpa-Edit tools; use tab to shift between a number entry mode and Yajilin composite mode where left click inside cell shades square, left click + drag draws line segment, right click inside cell adds dot, and right click on cell edge adds an x.)

Theme: Cipher Snake

Author/Opus: This is the 298th puzzle from our managing editor Serkan Yürekli.

Rules: Locate a numbered snake (a 1-cell wide path) that starts with 1 and goes to 45. The snake cannot touch itself, not even diagonally. All numbers are encrypted with C, I, P, H, E, R, S, N, A, K letters and each letter represent a different digit from 0 to 9. Digits outside the grid indicate how many cells in that row or column are occupied by the snake. Some snake segments are already given.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 7:00, Master = 11:00, Expert = 22:00

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

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

• carpenter says:

Surprised nobody has commented yet on how amazing this puzzle is! Awesome intricate logic using every trick in the Snake toolbox to tease out the cipher and a finish that seems impossible until you realize the trick.

• Nikolai says:

Excellent puzzle. Very difficult, but also with a very clean logical solving path. Thank you!

• Rog says:

Great puzzle!

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