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.)
Author/Opus: This is the 287th puzzle from our contributing puzzlemaster Grant Fikes.
Rules: Standard Spiral Galaxies rules. Then shade some dominoes (two-cell connected blocks) so that no two dominoes share an edge and so that every “galaxy” in the solved puzzle contains exactly two shaded cells.
Answer String: Enter the total number of horizontal dominoes (i.e., dominoes with two cells in the same row) in each row, starting at the top and proceeding to the bottom.
Time Standards (highlight to view): Grandmaster = 4:15, Master = 6:30, Expert = 13:00
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 can be found in The Art of Puzzles 2.