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March Mutant 29: Double Entry

Draw a single loop that connects the grid cells. The loop may only travel horizontally or vertically, and never diagonally (so all turns are of 90 degrees). The loop may only turn at the centers of grid cells, and may not cross itself or branch off. Every grid cell must be used, and the loop must enter and exit every region of the grid exactly twice.
This image lacks the color and dotted lines of my previous two entries due to time constraints. Sorry.
Edit: For solvers who insist on having color and dotted lines, I have found time to make this image. The plain version above will still remain the default, though.

1 comment

Anonymous said...

I've never tried these before but I really enjoyed this, and your previous green/yellow example.


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