Quadra-Parity
(Published on 6. July 2021, 01:00 by XeonRisq)
Normal sudoku rules apply.
Numbers must not repeat in a cage.
Cells with grey circles must contain odd numbers.
Cells with grey squares must contain even numbers.
Numbers that appear in the cells between a ratio constraint must have a ratio of 2.
Numbers that appear in the cells between a difference constraint must have a difference of 1.
Not all dots are given.
Blue and Orange dots represent the parity of the digits in the four surrounding cells.
Blue dots must have an EVEN number of even/odd digits, (such as 1-3-6-8 , O-O-E-E , or 2 odds and 2 evens).
Orange dots must have an ODD number of even/odd digits, (such as 3-4-6-8 , O-E-E-E , or 1 odd and 3 evens).
F-puzzles link - link to solve online
Solution code: Row 5 followed by Column 5
Solved by Grothenlace, universe42, Dentones, SKORP17, Sktx, soroush, isajo4002, Elliott810
