The Big Zipper
The brief
Normal sudoku rules apply. Along a lavender zipper line, any pair of digits that are the same distance from the centre cell of the line (marked by a spot) sum to the digit in that centre cell.
by Marty Sears by Marty Sears
Normal sudoku rules apply. Along a lavender zipper line, any pair of digits that are the same distance from the centre cell of the line (marked by a spot) sum to the digit in that centre cell.