Normal Sudoku rules apply.
Digits separated by a white dot are consecutive.
Digits separated by a black dot are in a 1:2 ratio.
Along lavender zipper lines, pairs of digits equidistant from the center of the line have the same sum.
On odd-length zipper lines, this sum is the value of the digit in the central position (denoted by a circle).
The treble clef (large symbol in columns 1 through 5) consists of a single zipper line.
The time signature (the "3" and "4" in columns 6 and 7) are both composed of 2 zipper lines each. They have orange and blue outlines to distinguish them.)
Try Zipper Line Waltz here:
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