by LilGungaJrยทPublished 05/13/2026, 01:02:24 AM
Sudoku
Each row, column, and region must contain the digits 1-9 once each.
Between Lines
Digits along a Between Line must be numerically between the two digits on the circles.
Double Zipper Lines
Pairs of cells equidistant from the center of a Double Zipper Line (including the circled ends) must sum to 2 times the digit in the center cell.
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