Rules Draw some loops, each visiting all instances of exactly one clue. Between them, the loops visit all cells of the grid. Some cells have already been fully drawn for you. Loops may cross over themselves and each other, but only when the cell contains neither turns nor a clue and the overlap has no length. Loops are only made out of horizontal and vertical line segments which go through the centres of every containing cell.
Sparkube #3.
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Last week I presented you Spark Sudoku; now I would like to present you a
closely related puzzle: the Sparkube. Just like Spark Sudoku, the grid can
take...
20 hours ago

1 comments:
Nice. I was wondering for a moment how the 1 in the corner can be satisfied. Then I read the rules again to find "can cross over themselves". You can also try a variant where this is not allowed.
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