Gordian Knot
(Published on 21. November 2025, 06:01 by Merdock)
Puzzle Link:
Click here to solve my puzzle.
Click here for a slightly harder version of this puzzle.
Rules:
Regular sudoku rules:
Place the digits 1-9 in every row, column, and box
Difference of sums:
1. The difference between the sum of the Cyan cells (C) and the sum of the purple cells (P) is 8. It is up to you to determine which of the two color sets has the larger sum
2. The difference between the sum of the Red cells (R) and the sum of the orange cells (O) is 7. It is up to you to determine which of the two color sets has the larger sum
Rotated cells:
The grey cells (G) have identical pairs rotated 180° around the center digit. (r6c3 = r4c7, r7c4 = r3c6)
Region Sum Lines:
Box borders divide each blue line into segments with the same sum.
White Kropki Dots:
White dots placed between two cells indicate the digits in those cells are consecutive. Not all dots are given.
Killer Cages:
Digits in cages must sum to the number in the upper left corner of the cage.
Anti-Knight:
Cells that are a knight's move (in chess) apart must not contain the same digit.
Solution code: Column 9, read top to bottom
Comments
on 24. November 2025, 17:40 by Merdock
I discovered that one of the rules I included was not needed. I left the original up, but if you want to tackle the newer, more difficult version, click on the second puzzle link.
