Snake Pit by Carl Worth

Snake Pit by Carl Worth


Example puzzle as PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a number entry mode.)

Theme: Logical

Author/Opus: This is the 14th puzzle from our newest contributing puzzlemaster Carl Worth.

Rules: (Hybrid of Fillomino and Snake Puzzles.) Divide the grid along the boundary lines so that every cell belongs to a snake. A snake is a one-cell-wide path at least two cells long that does not touch itself, not even diagonally. Circled cells must be at one of the ends of a snake. A snake may contain one circled cell, two circled cells, or no circled cells at all. Numbered cells must be part of a snake with a length of exactly that number of cells. A snake may contain one number, multiple identical numbers, or no numbers at all. Two snakes of the same length cannot touch each other horizontally or vertically.

Also see this example:

Snake Pit by Carl Worth

Answer String: For each cell in the marked rows/columns, enter the length of the snake it belongs to. Enter just the last digit for any two-digit number. This example has the key “35522,44462”.

Time Standards (highlight to view): Grandmaster = 3:15, Master = 5:00, Expert = 10:00

Solution: PDF

Note: Follow these link for other Fillomino or Snake puzzles.

  • Anurag says:

    10 minutes. Nice one. Solved it on applet, so I had to keep referring to the puzzle for the circles. This variation forces too many hidden dominos. So much that Sometimes you tend to locate a domino without thinking about it.

  • Skynet says:

    11:02.This one is good.Solved more like a Fillomino at the start .The end was very satisfying .

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