### Double Spiral Galaxies by John Bulten

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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 shading mode.)

Theme: New Constellation

Author/Opus: This is the 56th puzzle from our contributing puzzlemaster John Bulten.

Rules: Variation of Spiral Galaxies. In addition to the standard rules, some circles are shaded gray and must belong to galaxies containing two gray circles, not one, with the circles in rotationally symmetric spots for those galaxies.

Answer String: Enter the number of cells in each connected group (between bold lines) in the marked columns. Separate each column’s entry from the next with a comma. The example (using rows) has the answer “52,11131”.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:30, Expert = 7:00

Solution: PDF

Note: Follow this link for classic Spiral Galaxies puzzles on this website and this link for variations on Spiral Galaxies puzzles. If you are new to this puzzle type, here are our easiest Spiral Galaxies Puzzles to get started on. More Spiral Galaxies puzzles will soon be found in The Art of Puzzles 2.

• ksun48 says:

This theme gave me a good laugh, happy fourth!

• JohnJBulten says:

Thank you! After solving, remember to pbybe gur tenl frpgvbaf jvgu jungrire pbybef frrz nccebcevngr!

• tamz29 says:

I was initially confused at first because this felt like a Monday/Tuesday level, but then I noticed that this meant to be up on the 4th of July….

• drsudoku says:

This tested around Wednesday level although it has an intuition fast/logic slow character to it. Also, we don’t have a lot of spiral galaxies so familiarity with the genre can slow some of our testers down.

• skynet says:

10 mins.Solve was ‘straight’forward literally as well but a fun challenge.Enjoyed the puzzle.

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